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Algebra L2-3 Quiz v3

Last updated about 2 years ago

8 questions

1

1

1

1.25

1

0.25

0.25

0

Question 1

1.

What is the x-intercept of the line 3x-5y=-12 ?

Question 2

2.

Which of the following is an equation for the line shown in the graph below?

5x+2y=-7

5x-2y=-7

5x-2y=7

5x+2y=7

Question 3

3.

Which equation is equivalent to y=-\frac{5}{2}x+10 ?

5x+2y=20

5x-2y=10

2x+5y=-10

2x+5y=50

Question 4

4.

Which of the following statements are true about both equations:

3x+0y=15 and 5x-5y=25 ?

Select all that apply.

The y-intercept is (0,5).

The slope is defined.

The x-intercept is (5,0).

The line is made up of all and only the points that make the equation a true statement.

No two points on the line share the same x-coordinate. And no two points on the line share the same y-coordinate.

Question 5

5.

For the holidays, you get a $25 gift card to Atlantis, your favorite online shopping site. You decide that you want to spend the money on prank supplies - so you start to fill up your shopping cart with itching powder and fake ants. Each capsule of itching powder costs $1.25, and every packet of fake ants costs $2.50.

Let x be the number of itching powder capsults you buy, and y be the number of packets of fake ants.

Select the equation that describes the numbers of each product you can buy. (Shipping is free).

3.75(x+y)=25

1.25x+2.5y=25

2.5x+1.25y=25

Question 6

6.

In the scenario from question #5, what is the maximum number of itching powder capsuls you can buy?

Question 7

7.

In the scenario from question #5, what is the maximum number of packages of fake ants you can buy?

Question 8

8.

BONUS: (maximum of 2 percentage points)

In the scenario from question #5, you decide you want to spend the same amount of money on each product (or as close as possible). Write an equation that will help determine how many capsules of itching powder you should buy.