Quiz about staar review

Question 1

Which expression is equivalent to $$10x^2-\left(2-3x\right)+\left(5x-3x^2\right)$$

Accepted Answer

$$7x^2+8x-2$$

Answer

$$13x^2+2x-2$$

Answer

$$7x^2+2x-2$$

Answer

$$13x^2-8x-2$$

Question 2

Which expression is equivalent to $$5c\left(\frac{2}{5}d-4\right)-3\left(c+2\right)+d\left(c+5\right)$$

Accepted Answer

$$3cd-23c+5d-6$$

Answer

$$3cd-17c+5d-6$$

Answer

$$2cd-23c+5d-6$$

Answer

$$2cd-17c+5d-6$$

Question 3

Which expression is equivalent to $$2x^2+7x-15$$

Accepted Answer

None of these

Answer

$$(2x+3)(x-5)$$

Answer

$$(2x+3)(x+5)$$

Answer

$$(2x-3)(x-5)$$

Question 4

Which of the following is equivalent to $$3x-5y=4$$

Accepted Answer

$$y=\frac{3}{5}x-\frac{4}{5}$$

Answer

$$y=\frac{4}{5}x+\frac{3}{5}$$

Answer

$$y=\frac{4}{5}x-\frac{3}{5}$$

Answer

$$y=\frac{3}{5}x+\frac{4}{5}$$

Question 5

Origin

Accepted Answer

(0,0)

Answer

X-Axis

Answer

Y-Axis

Answer

Function

Question 6

Initial Value

Accepted Answer

Y-Intercept

Answer

X-Intercept

Answer

Zero

Answer

Root

Question 7

Solution to system of equations.

Accepted Answer

The Point of Intersection

Answer

A Relation where x's do not repeat

Answer

Rate of Change

Answer

The Inputs

Question 8

Invisible Line that an equation cannot cross

Accepted Answer

Asymptote

Answer

Axis of Symmetry

Answer

No Correlation

Answer

Undefined Slope

Question 9

An exponential equation that gets smaller by a percentage each time.

Accepted Answer

Decay

Answer

Increase

Answer

Multiply

Answer

Subtract

Question 10

Another word for X-Intercept

Accepted Answer

Root

Answer

Initial Value

Answer

Slope

Answer

Y-Intercept

Question 11

When Graphs / Tables are the SAME

Accepted Answer

Equivalent

Answer

Differential

Answer

Causation

Answer

Range

Question 12

The graph shows the number of game consoles sold in millions since 2009.

Based on this information, which function best models the number of game consoles sold in millions x years since 2009?

Accepted Answer

$$g\left(x\right)\ =\ 25.5\left(0.6\right)^x$$

Answer

$$g\left(x\right)\ =\ 0.6\left(25.5\right)^x$$

Answer

$$g\left(x\right)\ =\ 6.12\left(25.5\right)^x$$

Answer

$$g\left(x\right)\ =\ 25.5\left(6.12\right)^x$$

Question 13

Which value of x is a solution to this equation?

$$3x^2-30x-72=0$$

Accepted Answer

x = -2

Answer

x = -12

Answer

x = -4

Answer

x = -6

Question 14

The graph of an exponential function is shown on the grid. Which dashed line is an asymptote for the graph?

Accepted Answer

Line s

Answer

Line q

Answer

Line r

Answer

Line t

Question 15

What are the solutions to $$\left(x+7\right)^2=81$$ ?

Accepted Answer

-16 and 2

Answer

-74 and 88

Answer

-2 and 16

Answer

-88 and 74

Question 16

What is the solution set for $$2x^2+15=-11x$$ ?

Accepted Answer

{-3, -2.5}

Answer

{-5, -1.5}

Answer

{2.5, 3}

Answer

{1.5, 3}

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