8th Math - SEMESTER 1 EXAM

Which equation is proportional?

• y=5x+1

• y=4x-3

• y=7x

• y=2x+7

Tags

CCSS.7.RP.A.2D

y=18x  Proportional or non-proportional?

• proportional
• non-proportional

Tags

CCSS.8.EE.B.5

In order for a graph to be proportional it has to___?

• pass over the y-axis
• pass over the x-axis
• pass through the origin

Tags

CCSS.7.RP.A.2D

Joe has a square tablecloth with a total area of 48 square feet. Which measurement is closest to the length of each side of the tablecloth in feet?

• 9.8 ft
• 5.0 ft
• 12.0 ft
• 6.9 ft

Tags

CCSS.7.EE.B.3

In order for a relationship to be a function, _____________.

• the y-value cannot repeat
• the x-value cannot repeat

Tags

CCSS.8.F.A.1

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

• (-9,2), (0,6), (1,-2), (-3,6)
• (-1,0), (4,3), (-7,-3), (-1,-8)
• (3,2), (-4,-2), (3,1), (-4,1)
• (5,4), (2,3), (1,1), (2,4)

Tags

CCSS.8.F.A.1

Sadie used a container shaped like a cylinder to catch rainwater. The diameter is 12cm and the height is 9cm. Which measurement is closest to the volume of the container in cubic centimeters?  V=BH 

• 1527
• 4072
• 1018
• 3054

Tags

CCSS.HSG.GMD.A.3

CCSS.HSG.GMD.A.1

Write 2.08 x 10² in standard form.

• 208

• 0.0208

• 20,800

• 0.208

Tags

CCSS.8.EE.A.3

Express the following in standard notation:

8.025 x 10^-8

• .00000008025

• .000000008025

• 802,500,000,000

• 80,250,000,000

Tags

CCSS.8.EE.A.3

Put the following in descending order.

4.05 x 10¹, 45%, 3/4, 0.075

• 4.05 x 10¹, 45%, 3/4, 0.075

• 3/4, 45%, 0.075, 4.05 x 10¹

• 4.05 x 10¹, 3/4, 45%, 0.075

• 45%, 0.075, 4.05 x 10¹, 3/4

Tags

CCSS.6.NS.C.7