Quiz about April 25 - April 29 Raider Prep Algebra 1

Question 1

Solve for x:

$$x-2y=-10$$

Accepted Answer

$$x=2y-10$$

Answer

$$x=-10-2y$$

Answer

$$x=2y$$

Answer

$$x=-2y-10$$

Question 2

What values of x make the following inequality true?

$$-3\left(x+1\right)\le15$$

Accepted Answer

$$x\ge-6$$

Answer

$$x\ge6$$

Answer

$$x\le6$$

Answer

$$x\le-6$$

Question 3

Which equation represents the horiztontal line passing through (6, -5)?

Accepted Answer

y = -5

Answer

x = -5

Answer

y = 6

Answer

x = 6

Question 4

Which number is a zero of the function $$h$$ ?

$$h\left(x\right)=x^2-2x-15$$

Accepted Answer

5

Answer

3

Answer

-5

Answer

0

Question 5

If $$f\left(2\right)=13$$ , which could be the equation for $$f\left(x\right)$$ ?

Accepted Answer

$$f\left(x\right)=3x^2+1$$

Answer

$$f\left(x\right)=x^2+8$$

Answer

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

Answer

$$f\left(x\right)=2x^3+5$$

Question 6

In which table does y vary directly with x?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 7

Assume that y varies inversely with x. If x = 7 when y = 4, what is y when x = 2?

Accepted Answer

14

Answer

4

Answer

7

Answer

28

Question 8

Which equation most closely represents the line of best fit for this data?

Accepted Answer

$$y=1.62x+1.38$$

Answer

$$y=1.7x+1.3$$

Answer

$$y=2x$$

Answer

$$y=-1.23x+2.47$$

Question 9

Look at the system of equations.

$$y=-x+4$$

$$5x+2y=-10$$

What is the value of x for the solution to this system of equations?

Accepted Answer

-6

Answer

-1

Answer

5

Answer

10

Question 10

What is equivalent to the following expression?

$$\left(-2xy\right)^3$$

Accepted Answer

$$-8x^3y^3$$

Answer

$$-2xy^3$$

Answer

$$-2x^3y^3$$

Answer

$$-6x^3y^3$$

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