Quiz about Linear STAAR Review

Question 1

What is the equation in standard form of the line that passes through the point (6,-1) and is parallel to the line represented by 8x + 3y = 15?

Accepted Answer

8x + 3y = 45

Answer

8x + 3y = -45

Answer

8x - 3y = -51

Answer

8x - 3y = 51

Question 2

The table of ordered pairs represent some points on the graphs of lines f and g.

Which system of equations represents lines f and g?

Accepted Answer

y = 1.75x + 3.5

y = -4x - 8

Answer

y = 1.75x + 3.5

y = -4x - 2

Answer

y = 3.5x + 1.75

y = -4x - 8

Answer

y = 3.5x + 1.75

y = -4x - 2

Question 3

Which function represents f ?

Accepted Answer

f(x) = 26(x - 2)

Answer

f(x) = -26(2x - 1)

Answer

f(x) = 13(x - 2)

Answer

f(x) = -2(26x - 1)

Question 4

Which function is best represented by the graph?

Accepted Answer

$$g\left(x\right)=-\frac{2}{3}x+4$$

Answer

$$g\left(x\right)=6x+4$$

Answer

$$g\left(x\right)=4x-\frac{2}{3}$$

Answer

$$g\left(x\right)=-\frac{3}{2}x+6$$

Question 5

What is the equation in slope-intercept form of the line that passes through points (-26, -11) and (39, 34)?

Accepted Answer

$$y=\frac{9}{13}x+7$$

Answer

$$y=-\frac{9}{13}x+7$$

Answer

$$y=-\frac{9}{13}x-7$$

Answer

$$y=\frac{9}{13}x-7$$

Question 6

What is the slope of the line represented by the table?

Accepted Answer

$$-\frac{8}{5}$$

Answer

$$-\frac{5}{8}$$

Answer

$$\frac{8}{5}$$

Answer

$$\frac{5}{8}$$

Question 7

Which inequalities best describes the domain and range of the part shown?

Accepted Answer

$$Domain:\ -7\le x\le6$$ $$Range:\ -4\le g\left(x\right)\le5$$

Answer

$$Domain:\ -4

Answer

$$Domain:\ -7

Answer

$$Domain:\ -4\le x\le5$$ $$Range:\ -7\le g\left(x\right)\le6$$

Question 8

What is the rate of change of the contractor's total earnings in dollars with respect to the number of hours worked?

Accepted Answer

$8.75 per hour

Answer

$9.25 per hour

Answer

$10.00 per hour

Answer

$20.00 per hour

Question 9

Which statement best represents the equation of the line shown on the grid and its relationship to the x-axis?

Accepted Answer

y = 2.5 and

it is parallel to

the x-axis

Answer

x = 2.5 and

it is parallel to

the x-axis

Answer

x = 2.5 and

it is perpendicular

to the x-axis

Answer

y = 2.5 and

it is perpendicular

to the x-axis

Question 10

Linear function t has an x-intercept of -1

and a y-intercept of 5.

Which graph best represents t?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

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