Which statement about the scatterplot is true?

There is a negative, linear association between x and y

There is no association between x and y

There is a positive, linear association between x and y

There is a nonlinear association between x and y

Which set of ordered pairs represents y as a function of x?

{(0,0), (-1, -0.5), (-2,-1), (-3,-1.5), (-4,-2)}

{(0,0), (-1,2), (-1,-2), (-2,4), (-2,-4)}

{(0,0), (1,1), (2,4), (3,9), (3,16)}

{(0,0), (0,1), (0,2), (0,-1), (0,-2)}

At a store each notebook has a cost of x dollars. Which situation can be represented by this inequality? 5x<3x+2

The cost of 5 notebooks is less than the cost of 3 notebooks plus a $2 pen.

The cost of 5 notebooks is greater than the cost of 3 notebooks plus a $2 pen.

The cost of 5 notebooks is less than the cost of 3 notebooks with a $2-off coupon.

The cost of 5 notebooks if $2 greater than the price of 3 notebooks.

A polygon is graphed on a coordinate grid with (x,y) representing the location of a certain point on the polygon. The polygon is transformed using the rule (x,y)→(ax,ay). Which statement must be true?

If a is between 0 and 1, the image of the polygon is smaller than the polygon.

If a is greater than 1, the image of the polygon is congruent to the polygon.

If a is between 0 and 1, the image of the polygon is congruent to the polygon.

If a a is greater than 1, the image of the polygon is smaller than the polygon.

Four triangles are shown. One side of each triangle lies on a ray, and the triangles are not drawn to scale. Based on these triangles, which statement about x is true?

x=160, becuase 180-(130+30)=20 and 180-20=160

x=20, because 130+30=160 and 180-160=20

x=80, because 180-130=50 and 50+30=80

x=340. because 130+30=160 and 160+180=340

The digram shows three squares that are joined at vertices to form a right triangle. Which statement is true?

The sum of the areas of Square N and Square L is equal to the area of square K.

The sum of the areas of Square N and Square L is greater than the area of square K.

The sum of the areas of Square N and Square K is equal to the area of square L.

The sum of the areas of Square N and Square K is less than the area of square L.

The scatterplot shows the energy in watts and the light output in lumens per watt of several lightbulbs. Which statement best describes the association between the energy and light output of the lightbulbs?

There is no apparent association between the enrgy and light output.

As the energy increases, the light ouput increases.

As the energy increases, the light output decreases.

As the energy increases, the light ouput remains the same.

Math 8 STAAR last practice

Quiz

•

Mathematics

•

8th Grade

•

Practice Problem

•

Hard

•

CCSS

8.EE.B.5, 8.G.C.9, 8.F.B.4

+35

Standards-aligned

David Stone

Used 1+ times

FREE Resource

110 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A

B

C

D

Tags

CCSS.8.EE.B.5

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A

B

C

D

Tags

CCSS.8.EE.C.8B

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

F

G

H

J

Tags

CCSS.8.G.A.3

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A

B

C

D

Tags

CCSS.8.EE.C.8C

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

F

G

H

J

Tags

CCSS.8.G.B.8

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

4

-4

1/2

-6

Tags

CCSS.8.EE.B.6

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