Quiz about STAAR Test Prep

Question 1

What are the correct calculator steps to complete a LINEAR regression?

Accepted Answer

Menu 4, 1, 3

Answer

Menu 4, 1, 6

Answer

Menu 4, 1, A

Answer

Menu 4, 1, 4

Question 2

What is the rate of change of the table?

Accepted Answer

The worker packed 4 boxes per minute.

Answer

The worker packed 8 boxes per minute.

Answer

The worker packed 2 boxes per minute.

Answer

The worker packed 37 boxes per minute.

Question 3

What are the correct calculator steps to complete a Quadratic regression?

Accepted Answer

Menu 4, 1, 6

Answer

Menu 4, 1, 3

Answer

Menu 4, 1, A

Answer

Menu 4, 1, 4

Question 4

What are the correct calculator steps to complete a Exponential regression?

Accepted Answer

Menu 4, 1, A

Answer

Menu 4, 1, 3

Answer

Menu 4, 1, 6

Answer

Menu 4, 1, 4

Question 5

When should you use Nsolve?

Accepted Answer

To solve one equation

Answer

To Solve a System of Equations

Answer

To Solve a Quadratic Equation

Question 6

Which is NOT another term for slope?

Accepted Answer

y-intercept

Answer

Rate of Change

Answer

$$\frac{rise}{run}$$

Answer

m

Question 7

What are the coordinates of the x-intercepts?

Accepted Answer

(-10, 0) and (2, 0)

Answer

(0, 2) and (0, -10)

Answer

(0, -5)

Answer

(-5, 0)

Question 8

What is the Solution to the System of Equations?

Calculator Page

Menu

Algebra

Solve System of Linear Equations

Accepted Answer

(12, 16)

Answer

(15, 17.5)

Answer

No Solution

Answer

Infinitely Many Solutions

Question 9

Which graph represents the following RANGE?

$$y\ge3$$

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 10

Which function best represents the graph?

Accepted Answer

$$f\left(x\right)=\left(0.25\right)^x$$

Answer

$$f\left(x\right)=2\left(0.5\right)^x$$

Answer

$$f\left(x\right)=\left(1.25\right)^x$$

Answer

$$f\left(x\right)=\left(25\right)^x$$

Question 11

Graph and Match

Which expression is equivalent to the following $$\left(n-4\right)\left(2n+7\right)$$ ?

Hint: Replace the variable with x when graphing.

Accepted Answer

$$2n^2-n-28$$

Answer

$$3n+3$$

Answer

$$n-28$$

Answer

$$2n^2-15n-28$$

Question 12

Which linear function represents the following table?

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 13

Which equation is represented by this graph?

Accepted Answer

$$g\left(x\right)=-\frac{7}{4}x+7$$

Answer

$$g\left(x\right)=-\frac{7}{4}x+4$$

Answer

$$g\left(x\right)=-\frac{4}{7}x+4$$

Answer

$$g\left(x\right)=-\frac{4}{7}x+7$$

Question 14

Which value of x is the solution to

$$5x^2-30x+45=0$$

(Calculator page, Menu, Algebra, Polynomial Tools, Find Roots of Polynomial)

Accepted Answer

$$x=3$$

Answer

$$x=-3$$

Answer

$$x=5$$

Answer

$$x=-5$$

Question 15

The florist will use no more than 8 bouquets for the wedding.

Which set best represents the DOMAIN for this function?

Accepted Answer

$$\left\{0,\ 1,\ 2,\ 3,\ 4,\ 5,\ 6,\ 7,\ 8\right\}$$

Answer

$$\left\{0,\ 9,\ 18,\ 27,\ 36,\ 45,\ 54,\ 63,\ 72\right\}$$

Answer

$$\left\{0,\ 2,\ 4,\ 6,\ 8,\ 10\right\}$$

Answer

$$\left\{0,\ 18,\ 36,\ 54,\ 72,\ 90\right\}$$

Question 16

What is the rate of change of y with respect to x for this line?

Accepted Answer

$$-\frac{5}{6}$$

Answer

$$\frac{5}{2}$$

Answer

$$-\frac{6}{5}$$

Answer

$$\frac{2}{3}$$

Question 17

Which function best models the data?

List & Spreadsheet

Menu 4, 1, 6

Accepted Answer

$$d\left(x\right)=0.26x^2-3.11x+1$$

Answer

$$d\left(x\right)=0.05x^2+0.74x$$

Answer

$$d\left(x\right)=0.05x^2+0.74x+9.17$$

Answer

$$d\left(x\right)=0.26x^2-3.11x$$

Question 18

Which equation in slope-intercept form best represents the line that passes through these two points?

Hint: Do a Linear Regression

Accepted Answer

$$y=-\frac{10}{3}x-\frac{2}{3}$$

Answer

$$y=-\frac{11}{3}x-\frac{2}{3}$$

Answer

$$y=-\frac{2}{3}x-\frac{11}{3}$$

Answer

$$y=-\frac{2}{3}x-\frac{10}{3}$$

Question 19

Exponential Regression

(Menu 4, 1, A)

Which exponential function models this situation?

Accepted Answer

$$v\left(x\right)=9,000\left(0.9\right)^x$$

Answer

$$v\left(x\right)=9,000\left(1.1\right)^x$$

Answer

$$v\left(x\right)=8,100\left(1.1\right)^x$$

Answer

$$v\left(x\right)=8,100\left(0.9\right)^x$$

Question 20

Which function best models the data?

Hint: Do a Linear Regression

Accepted Answer

$$y=-13.5x+97.8$$

Answer

$$y=-13.5x+7.3$$

Answer

$$y=97.8x-13.5$$

Answer

$$y=7.3x-97.8$$

Question 21

Given $$f\left(x\right)=x^2-36$$ , which statement is TRUE?

Hint: Graph the equation.

Accepted Answer

The zeros, -6 and 6, can be found when $$0=\ \left(x+6\right)\left(x-6\right)$$

Answer

The only zero, 6, can be found when $$0=\left(x-6\right)\left(x-6\right)$$

Answer

The only zero, 18, can be found when $$0=\left(x-18\right)\left(x-18\right)$$

Answer

The zeros, -18 and 18, can be found when $$0=\left(x+18\right)\left(x-18\right)$$

Question 22

Which graph best represents

$$h\left(x\right)=\left(x+1\right)\left(x-3\right)$$

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 23

Which graph best represents part of a quadratic function with a DOMAIN of all real numbers less than -4?

$$x<-4$$

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 24

Graph and Match

Which function best represents the graph of $$q$$ ?

Accepted Answer

$$q\left(x\right)=-x^2+2$$

Answer

$$q\left(x\right)=-\left(x-2\right)^2$$

Answer

$$q\left(x\right)=-\left(x+2\right)^2$$

Answer

$$q\left(x\right)=-x^2-2$$

Question 25

Which graph represents a linear function with a zero of -2, and a y-intercept of 6?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 26

Which term is NOT another term for x-intercept.

Accepted Answer

Vertex

Answer

Zero

Answer

Root

Answer

Solution

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