Quiz about January 31 - February 4 Raider Prep Algebra 1

Question 1

Travis would like to buy some toys to donate to charity. He plans to buy 9 dolls at d dollars each, 2 toy cars at c dollars each, and 3 train sets at t dollars each. Which expression represents the total cost, in dollars, of these items that Travis wants to buy?

Accepted Answer

$$9d+2c+3t$$

Answer

$$9c+2t+3d$$

Answer

$$9d-2c-3t$$

Answer

$$9c-2t-3d$$

Question 2

If $$5b-3d=c$$ , which of the following equations is solved for $$b$$ ?

Accepted Answer

$$b=\frac{c+3d}{5}$$

Answer

$$b=-5d-3$$

Answer

$$b=\left(c+3d\right)-5$$

Answer

$$b=\frac{c+5d}{3}$$

Question 3

Solve:

$$8x+21-x=7\left(x+3\right)$$

Accepted Answer

Infinitely many solutions

Answer

x = 0

Answer

x = 1

Answer

No solutions

Question 4

Which inequality represents all the solutions of:

$$9\left(4x-8\right)<4\left(6x+9\right)$$

Accepted Answer

$$x<9$$

Answer

$$x<-3$$

Answer

$$x>-3$$

Answer

$$x>9$$

Question 5

Given points Q(3, -2) and R(-3, -8), what is the slope of a line parallel to line QR?

Accepted Answer

$$1$$

Answer

$$-\frac{5}{3}$$

Answer

$$\frac{5}{3}$$

Answer

$$-1$$

Question 6

What is the range of the function $$g\left(x\right)=x-8$$ ?

Accepted Answer

All real numbers

Answer

$$g\left(x\right)\ge-8$$

Answer

$$g\left(x\right)\ge8$$

Answer

$$g\left(x\right)\le-8$$

Question 7

What is $$h\left(-8\right)$$ for the function h:

$$h\left(x\right)=\frac{11\left(x-24\right)}{2}$$

Accepted Answer

-176

Answer

-56

Answer

-88

Answer

-352

Question 8

Which graph shows that y varies directly as x?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 9

A relation is shown in this table. Which statement about this relation is true?

Accepted Answer

It is an inverse variation because $$10=xy$$

Answer

It is a direct variation because $$y=-2.5x+12.5$$

Answer

It is an inverse variation because $$y=-2.5x+12.5$$

Answer

It is a direct variation because $$10=xy$$

Question 10

The number of complaints a company received at the end of six weeks is shown in the table. Based on the line of best fit, how many complaints could the company expect at the end of week 8?

Accepted Answer

133

Answer

200

Answer

98

Answer

120

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