End of Year Pre Algebra Test

1.

1 point

Simplify the polynomial.

8y - 2x + 9 + 14x + 9y - 6 + 7y - x + 1 + y

25y + 11x +4

38xy

It's already simplified.

25y +15x

2.

1 point

The Oltman Student Council students are selling spirit T-shirts during spirit week. It costs $20 for the design and $5 to print each shirt. The cost y to print x shirts is given by y = 5x + 20. Describe what the slope represents in this situation.

cost per shirt

total cost

cost of expenses

cost for the design

3.

1 point

Which equation models the situation?
There are only 11 students in Mrs. Swanson's 9th period class. Slowly the counselors start to add 1 student per day.

y = x + 11

y = 11x +1

y = 11x

y = 12x

4.

1 point

Simplify the polynomial.

4x - 2x

2x

It's already simplified.

2

6x

5.

1 point

The Oltman Student Council students are selling spirit T-shirts during spirit week. It costs $20 for the design and $5 to print each shirt. The cost y to print x shirts is given by y = 5x + 20. If 61 shirts are orderd, what will their cost be?

$161

$1225

$1525

$325

6.

1 point

Which choice does not describe the y-intercept?

The y-intercept is the rate of change.

The y-intercept is something that happens only once in a word problem.

The y-intercept is where the line crosses the y axis.

The y-intercept is the starting point.

7.

1 point

Gabriella is reading a 254-page book for school. She can read 40 pages in one hour. The equation for the number of pages she has left to read is y = -40x + 254, where x is the number of hours she reads. If she only has 34 pages left to read, how many hours has she read for?

5.5 hours

less than one hour

34 hours

-1106 hours

8.

1 point

What is the slope of this line? y = 0.75x -19

-19

x

0.75

19

9.

1 point

Which equation meets this criteria:
slope of -1/2, y-intercept of 9.

y = -1/2x + 9

y = -1/2x - 9

y = 9x - 1/2

y = -1/2 + 9

10.

1 point

Which choice does not describe the slope?

The slope is the ratio of the rise and the run.

The slope is the start, or beginning.

The slope is the thing that repeatedly happens in a word problem.

The slope is how steep the line is.

11.

1 point

Simplify the polynomial.

6y + 9y - 4y

-11y

11y

-11

11

12.

1 point

What is the slope of this line? y = -6x +7

x

-6

7

6

13.

1 point

What is the slope of this line? y = 3x -9

-9

y

3

x

14.

1 point

Simplify the polynomial.

4x - 2y

2y

2xy

Its already simplified

2x

15.

1 point

Gabriella is reading a 254-page book for school. She can read 40 pages in one hour. The equation for the number of pages she has left to read is y = -40x + 254, where x is the number of hours she reads. Describe what the y-intercept represents in this situation.

number of books she has read

number of pages she has left

number of pages in the book

number of pages she reads per hour

16.

1 point

Which equation models this situation? Mr. Lower has $100 in his bank account. He earns $15 per week as a food taster.

y = 115x

y = 100x + 15

y = 15x + 100

In 8 weeks he will have $100

17.

1 point

The Oltman Student Council students are selling spirit T-shirts during spirit week. It costs $20 for the design and $5 to print each shirt. The cost y to print x shirts is given by y = 5x + 20. Describe what the y-intercept represents in this situation.

total expenses

cost per shirt

cost of the design

total cost

18.

1 point

Gabriella is reading a 254-page book for school. She can read 40 pages in one hour. The equation for the number of pages she has left to read is y = -40x + 254, where x is the number of hours she reads. Describe what the slope represents in this situation.

number of pages in the book

number of books she has read

number of hours she reads

number of pages she reads

19.

1 point

Gabriella is reading a 254-page book for school. She can read 40 pages in one hour. The equation for the number of pages she has left to read is y = -40x + 254, where x is the number of hours she reads. If she reads for 3 hours straight, how many pages does she still have to read?

254 pages

40 pages

134 pages

120 pages

20.

1 point

Simplify the polynomial.

8x + 5 - 2x + 18

6x + 23

29

10x - 13

29x