8th Grade math STAAR Review: Day 1

A printing store used 24 ounces of ink in 18 minutes. Which graph has a slope that best represents the average number of ounces of ink used per minute?

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Tags

TEKS.MATH.8.4B

An artist started with some paint bottles. The artist buys the same number of additional bottles each week. The table shows the linear relationship between x, the number of weeks, and y, the number of bottles that the artist has.

How many bottles did the artist have at the start?

• 3

• 9

• 13

• 15

Tags

TEKS.MATH.A.3C

TEKS.MATH.A.3B

The graph of a linear function is shown on the coordinate grid. What is the y-intercept of the graph of this function?

Tags

TEKS.MATH.A.3C

• 75

• 56

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

Tags

TEKS.MATH.2A.6L

TEKS.MATH.A.2D

Which graph does NOT represent y as a function of x?

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Tags

TEKS.MATH.A.12A

Which mapping represents y as a function of x?

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Tags

TEKS.MATH.A.12A

TEKS.MATH.8.5G

A bakery delivers cookies to offices.

• - The bakery charges a $5 delivery fee.

• - The bakery charges a total of $20 for delivering 12 cookies

• - The bakery charges a total of $27.50 for delivering 18 cookies.

Which equation represents the total charge in dollars, y, for a delivery of x cookies?

• y = 1.25x + 5

• y = 5x + 1.25

• y = 1.25x + 6

• y = 5x + 7.50

Tags

TEKS.MATH.P.2A

TEKS.MATH.P.2G

TEKS.MATH.P.2J

TEKS.MATH.P.2N

What is the solution to this equation?

2x + 3 = x - 4

Tags

TEKS.MATH.8.8A

The side lengths in yards of a triangle and a squre are shown in the diagram. The perimeter of the triangle is equal to the perimeter of the square. What is the value of x?

• -4

• 6