IAR concept Practice

Each set of ordered pairs (x, y) represents a relationship with input x and output y. Which relationship is NOT a function?

• (0,1), (0,2) (0,3)

• (1,1) (2,2) (3,3)

• (1,1) (2,1) (3,1)

• (1, -1) (2,-2) (3, -3)

Tags

CCSS.8.F.A.1

In the equation shown, what is the value of n?   $\frac{9^7}{9^n}=\ 9^2$  

• 9

• 2

• 5

• none of  the above

Tags

CCSS.8.EE.A.1

Function A is linear and passes through these points: (6,7) and (-3, 4). Function B is linear and is y = 2x + 1. Select the correct statement:

• The slope of function A is greater than the slope of function B

• The slope of function A is less than the slope of function B

• The slope of function A is equal to the slope of function B

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Part II: Function A is linear and passes through these points: (6,7) and (-3, 4). Function B is linear and is y = 2x + 1. Select the correct statement:

• The y-intercept of function A is greater than the y-intercept of function B

• The y-intercept of function A is less than the y-intercept of function B

• The y-intercept of function A is equal to the y-intercept of function B

• There is no y-intercept for either function A or function B

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Volume is the amount of space an object takes up.

• True
• False

Find the volume of the figure. Use V = lwh

• 63 cm³

• 91 cm³

• 819 cm³

• 409.5 cm³

Tags

CCSS.7.G.B.6

Which statement best describes the value of  $\sqrt{16}$  ?

• 32

• 4

• 256

• 8

Tags

CCSS.8.EE.A.2

Which statement best describes the value of  $\sqrt{8}$  ?

• between 2 and 2.5

• between 2.5 and 3
  

• between 3 and 3.5

• between 3.5 and 4

Tags

CCSS.8.NS.A.2

Which equation has both 4 and -4 as possible values of y?

• $y^2$ = 8

• $y^3$ = 8

• $y^2$ = 16

• $y^3$ = 16

Tags

CCSS.8.EE.A.2

A system of equations is shown:

x = 20

3x + 5y = 20

What is the value of y?

• 16

• 8

• -8

• 5

Tags

CCSS.HSA.REI.C.9