Algebra I STAAR Review

Multiple Choice

f(x)

• domain

• function notation

• correlation coefficient

• regression

Multiple Choice

A curve that is created when you graph a quadratic

• V

• vertical

• parabola

• axis of symmetry

Multiple Choice

The horizontal axis on a graph

• origin

• x-axis

• y-axis

• axis of symmetry

Multiple Choice

10. A ____________ is a symbol, usually a letter, that represents one or more numbers.

• expression

• ratio

• variable

• costant

• membrane

Multiple Choice

A number on its own

• term

• constant

• coefficient

• variable

Multiple Choice

A number in front of a variable

• numerical equation

• coefficient

• constant

• inequality

Multiple Choice

Match the definition to its word

The set of all x-values in a relation

• minimum

• range

• domain

• maximum

Multiple Choice

The ___________ is the set of all y-values

• domain

• range

• independent variable

• dependent variable

Multiple Choice

The variable that is graphed on the y-axis is the ________________

• Independent Variable

• Dependent Variable

• Constant

• Hedgehog

Multiple Choice

The domain of the function below is 
{ (18, 5) (6, 9) (-14, 1)}

• {1, 5, 9}

• {-14, 6, 18}

• {-14, 1, 5, 6, 9, 18}

• {-14, 6, 8}

Multiple Choice

Given a graph, this test is used to determine whether a relation is a function

• horizontal line test

• function notation

• mapping

• Vertical line test

Multiple Choice

A(n) __________ is a relation in which each input has exactly one output.

• Graph

• Relation

• Ordered Pairs

• Function

Multiple Choice

Domain of a function

• All the values in the relation or function, x's and y's.

• We also call it the dependent variables.

• The set of all input values (x-coordinates) of a function or relation.

• The set of all output values (y-coordinates) of a function or relation.

Multiple Choice

Range of a function

• An average of all your Math grades.

• The set of all output values (y-coordinates) of a function or relation.

• All the values in the relation or function, x's and y's.

• The set of all input values (x-coordinates) of a function or relation.

Multiple Choice

Factored form of a Quadratic Function

• This form:

  y = ax^2 +bx + c

• y = f(x)

• Example:

  y = (x-1)(x-5)

• y = mx + b

Multiple Choice

Standard Form of a Quadratic Function

• y = mx + b

• y = f(x)

• Example:

  y = (x-1)(x-5)

• Example:

  y= x^2-6x+5

Multiple Choice

Distributive Property

• Example:

  3 + a = a + 3

• Example:

  (x + 4)^2

• Use the FOIL method

• Example:

  3(x + 2) = 3x + 6

Multiple Choice

Input

• The responses that you make in the Math class.

• The value that is subtituted by the dependent variable.

• Questions that you ask to your team group.

• A value that is substituted for the independent variable in a relation or function.

Multiple Choice

Output

• The time you spend studying for your Math class.

• The result of a multiplication operation.

• The questions you ask to your team group when you are the leader.

• The resulting answer when substituting a value for a variable in a function.

Multiple Choice

What is the correct slope-intercept form?

• y = mx + b

• y = mb + x

• y = x

• y = -mx + b

Multiple Choice

Which of these represents the standard form of a linear equation?

• y - y₁ = m(x - x₁)

• Ax + By = C

• y = mx + b

Multiple Choice

True or false:
The y-intercept of a function ALWAYS occurs where y is equal to zero.

• True

• False

Multiple Choice

True or false:
The x-intercept of a function ALWAYS occurs where y is equal to zero.

• True

• False

Multiple Choice

What is the x-intercept?

• 12

• -3

• 8

• 0

Multiple Choice

What is the y-intercept?

• 12

• -3

• 8

• 0

Multiple Choice

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Multiple Choice

Define X-intercept

• The highest or lowest point on the graph

• Where the parabola touches or intersects the x-axis

• Where the parabola touches or intersects the y-axis

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

Multiple Choice

Define Y-intercept

• Where the parabola touches or intersects the x-axis, also called the x-intercept

• The lowest y-value on the graph

• The highest y-value on the graph

• Where the parabola touches or intersects the y-axis

Multiple Choice

Define Zero

• Where the parabola touches or intersects the x- axis, also called the x-intercept

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

• The highest or lowest point on the graph

• Where the parabola touches or intersects the y-axis

Multiple Choice

Find the x-intercept and y-intercept for this graph.

• $$\left(0,\ -3\right),\ \left(0,\ 6\right)$$

• $$\left(-3,\ 0\right),\ \left(0,\ 6\right)$$

• $$\left(-3,0\right),\ \left(6,\ 0\right)$$

• $$\left(6,\ 0\right),\ \left(0,\ 3\right)$$

Multiple Choice

Rate of change means I am looking for _.

• m

• b

• x

• y

Multiple Choice

The  slope of this graph is _.

• undefined slope

• positive slope

• negative slope

• zero slope

Multiple Choice

The dependent variable in a function is _.

• m

• b

• x

• f(x)

Multiple Choice

Wich function has a x with an exponent of 1.

• Quadratic fuction

• Linear function

• Exponential function

• Cubic function

Multiple Choice

This graph is a _ graph and the equation is shaded _.

• discrete, below

• Continuous, below

• Continuous, above

• discrete, above

Multiple Choice

A quadratic solution is also called roots, zero and _.

• Y-intercept

• X-intercept

• Vertex

• Minimum

Multiple Choice

A vertical line that divides the parabola into two equal halves is called _

• Vertex

• Maximum

• Axis of symmetry

• Zero

Multiple Choice

This function is a _ and forms a _.

• quadratic, line

• linear, line

• linear, parabola

• quadratic, parabola

Multiple Choice

A mathematical sentence formed by placing the symbol = between two expressions

• equation

• inequality

• expression

• none of these

Multiple Choice

<, > represent 

• exponents

• equations

• inequalities

• verbal models

Multiple Choice

For each x, there is a unique y

• Function

• Slope

• Expression

• Domain

Multiple Choice

f(x) represents

• x first because its in ( )

• f times x

• function notation

• no clue

Multiple Choice

A set of ordered pairs

• relation

• function

• numbers

• letters

Multiple Choice

How do we know if a relation is a function?

• The outputs each have one input.

• The inputs each have one output.

• The inputs and the outputs match.

• There is a coefficient with each input.

Multiple Choice

A coefficient is ...

• A polynomial with two terms

• A term that has no variable factor

• A mathematical sentence that uses an equal sign

• The numerical factor when a term has a variable

Multiple Choice

A variable is defined as...

• Anything that can be measured or counted

• A number that repeats itself

• A symbol, usually a letter, that represents the value of a variable quantity

• The distance that a number is from zero on the number line

Multiple Choice

What is the definition of a constant?

• The letter used to represent a quantity

• The number with no variable

• The number in front of a variable

• The little number or letter used to raise to a power

Multiple Choice

The set of two or more equations using two or more variables that could have one common solution, no solution, or infinite number of solutions.

• Algebraic Expression

• Cubic Function

• System of Equations

• Linear Function

Multiple Choice

An expression consisting of two monomials

• Monomial

• Polynomial

• Constant

• Binomial

Multiple Choice

The point where a line crosses the x-axis

• y-intercept

• x-intercept

• z-intercept

• slope

Multiple Choice

Algebraic terms and constant terms combined with operations and an equal sign

• equation

• expression

• polynomial

• system of equations

Multiple Choice

The b value in slope intercept form

• z-intercept

• x-intercept

• y-intercept

• zeros

Multiple Choice

The set of all possible input values of a function

• range

• domain

• y values

• x intercepts

Multiple Choice

What are the possible solutions for a system of equations?

• infinite number of solutions

• no solution

• one solution

• all of the above

Multiple Choice

When the vertex of a parabola is at its highest point it is called _________.

• Minimum

• Maximum

• Intersection

• y-intercept

Multiple Select

When a line or parabola touches the x-axis it is called _______.

• a zero

• the x-axis

• an intersection

• a ratio

Multiple Choice

f(3) = 5 is an example of ___________.

• a derivative

• function notation

• coordinate points

• a mapping diagram

Multiple Choice

Rate of change also means

• Slope

• y-intercept

• Zerox-s

• Direct Variation

Multiple Choice

Zero represents:

• Zeros, roots, x-intercepts, and solutions

• Zeros, Exponents, Roots, Origin, X-Intercepts, Solutions

• The equation you use to find the vertex, maximum, and minimum

• A copy machine

Multiple Choice

(x,y) is called __________ .

• an inequality

• a variable

• an ordered pair

• a line

Multiple Choice

What type of function is this: y = a(b)^x

• Linear

• Quadratic

• Exponential

• Rational

Multiple Choice

This describes the steepness of a line and uses the variable "m"

• Coefficient

• Slope

• Constant

• Denominator

Multiple Choice

As the slope of a linear function increases, the line becomes ________.

• Less steep

• More steep

• Constant

• Undefined

Multiple Choice

When the domain OR range of a function continue infinitely in both directions, they are labeled as _____________ .

• Infinity

• Forever

• All real numbers

• Undefined

Multiple Choice

The solution to a system of equations is the __________ . Where the values are equal.

• Point

• x-intercept

• Intersection

• Answer

Multiple Choice

The function y=x² is an example of a _________ function.

• Linear

• Quadratic

• Exponential

• Rational

Multiple Choice

Add all of the sides to find your ___________ .

• Area

• Perimeter

• Volume

• Angles

Multiple Choice

Which is an equation?

• 4x = 9

• 4x - 9

• 4x

• - 9

Multiple Choice

Slope can be found by...

• Finding out where the line crosses the y-axis.

• Solving a linear equation.

• Finding the rise over the run.

• Finding run over rise.

Multiple Choice

What function has a constant rate of change?

• Linear function

• Exponential function

• Quadratic function

• Polynomial function

Multiple Choice

What type of function is this:

f(x) = 5x² + 2x + 12

• Linear function

• Exponential function

• Quadratic function

• Polynomial function

Multiple Choice

the shape of the graph of a quadratic function

• vertex

• parabola

• line

• hockey-stick

Multiple Choice

A parabola's turning point is called the ______.

• slope

• vertex

• leading coefficient

• quadratic

Multiple Choice

What is the slope of the line whose equation is y = -3x+6

• -½

• 2

• -3

• 6

Multiple Choice

The graph of which equation has a negative slope?

• y = 5x-3

• x + y = 5

• y - 2 = 4x

• y = 0

Multiple Choice

Another term for an x-intercept is

• zero

• solution

• root

• all of the above

Multiple Choice

The function f(x) = 5^x represents what type of function?

• quadratic

• linear

• exponential

• quartic

Multiple Choice

Which set of ordered pairs represents y as a function of x?

• (-5, 3) (6, 2) (8, -9) (-5, 4)

• (9, 4) (8, 4) (9, 5) (8, 5)

• (6, 8) (7, 8) (8, 8) (9, 9)

• (-7, 4) (-7, 5) (-7, 10) (-7, 6)

Multiple Choice

How do we calculate the area of a rectangle?

• add all of the outer sides

• add the length and the height

• multiply length times width times height

• multiply base times height

Multiple Choice

Which of the following is NOT a variable?

• x

• s

• t

• 5

Multiple Choice

In order to graph something, a function or equation must begin with.....?

• y =

• x =

• 7 =

• 0 =

Multiple Choice

What is a transformation?

• When a graph is red

• When a graph changes from it's parent function

• When a graph has a y-intercept

• When a graph is a line

Multiple Choice

What must be true in order for a line or points to be a function?

• The x values CANNOT repeat

• The x values CAN repeat

Multiple Choice

What does the word 'equivalent' mean?

• Reflection

• Transformation

• Function

• Equal

Multiple Choice

Which of the following is NOT a type of function in Algebra I?

• Linear

• Quadratic

• Exponential

• Perpendicular

Multiple Choice

Which of the following is a linear function?

Multiple Choice

Which of the following is a quadratic function?

Multiple Choice

Which of the following is an exponential function?

Multiple Choice

What is the maximum of a parabola?

• The lowest part of a parabola

• The highest part of a parabola

Multiple Choice

What is the minimum of a parabola?

• The lowest part of a parabola

• The highest part of a parabola

Multiple Choice

What is the 'zero' of a graph?

• Where the graph crosses the x-axis

• Where the graph crosses the y-axis

• The highest point of a graph

• The lowest point of a graph

Multiple Choice

What do tables usually represent?

• Maximum and Minimums

• x and y values

• Parallel and Perpendicular Lines

• Equivalence

Multiple Choice

A mathematical sentence stating that two expressions are equal.

• expression

• equation

Multiple Choice

What does linear mean?

• An equation or graph that makes a curved line.

• An equation or graph that makes a straight line.

• Same as slope.

• The steepness of a line. Rise over run.

Multiple Choice

What does slope mean?

• An equation or graph that makes a curved line.

• An equation or graph that makes a straight line.

• y-intercept

• The steepness of a line. Rise over run.

Multiple Choice

What does rate of change mean?

• An equation or graph that makes a curved line.

• An equation or graph that makes a straight line.

• Same as slope.

• An x-value.

Multiple Choice

What does domain mean?

• an x-value

• a y-value

• all of the x-values

• all of the y-values

Multiple Choice

What does f(x) represent?

• y

• x

• slope

• x-intercept

Multiple Choice

What is an independent variable?

• An x-value. It causes the y-value to change.

• A y-value. It depends on the x-value.

• all of the x-values

• all of the y-values

Multiple Choice

What is a dependent variable?

• An x-value. It causes the y-value to change.

• A y-value. It depends on the x-value.

• all of the x-values

• all of the y-values

Multiple Choice

What does range mean?

• an x-value

• a y-value

• all of the x-values

• all of the y-values

Multiple Choice

Less Than

• <

• >

• ≤

• ≥

Multiple Choice

Greater than

• <

• >

• ≤

• ≥

Multiple Choice

Less than or equal to

• <

• >

• ≤

• ≥

Multiple Choice

How many solutions?

• One Solution

• No solution

• Infinitely Many Solutions

Multiple Choice

A system of equations with one solution will have lines that...

• are the same

• cross in one place

• are parallel and never touch

Multiple Choice

A system of equations with infinitely many solutions will have lines that...

• are the same

• cross in one place

• are parallel and never touch

Multiple Choice

According to exponent rules, when we divide the same base we _______ the exponents.

• Multiply

• Add

• Divide

• Subtract

Multiple Choice

According to exponent rules, when we multiply the same base we _______ the exponents.

• Multiply

• Add

• Divide

• Subtract

Multiple Choice

According to exponent rules, when we raise the power to a power we _______ the exponents.

• add

• subtract

• multiply

• divide

Multiple Choice

In an exponential function, what does the 'a' represent? 

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

Multiple Choice

Is this exponential growth or decay?

• Growth

• Decay

Multiple Choice

Is the pictured graph growth, decay, or linear or none?  

• Growth

• Decay

• Linear

• None

Multiple Choice

Which of these represents point-slope form of a linear equation?

• y - y₁ = m(x - x₁)

• Ax + By = C

• y = mx + b

Multiple Select

Which of the following are NOT synonyms for y-intercept

• flat fee

• rate

• starting point

• initial value

• slope

Multiple Choice

In the form y=ab^x

if “b” is between 0 and 1

• Exponential Growth

• Exponential Decay

Multiple Choice

In the form y=a(b)^x

if “b” is greater than 1

• Exponential Growth

• Exponential Decay

Multiple Choice

In the form y=a(b)^x

What is "b"?

• Y-intercept

• Growth/Decay Factor

• Growth/Decay Rate

• X-intercept