ACT Math Prep 3

The vector i represents 1 mile per hour east, and the vector j represents 1 mile per hour north. Maria is jogging south at 12 miles per hour. One of the following vectors represents Maria's velocity in miles per hour. Which one?

• -12i

• -12j

• 12i

• 12j

• 12i + 12j

Tags

CCSS.HSN.VM.A.3

• F

• G

• H

• J

• K

Tags

CCSS.5.NF.B.5B

• 5

• 11

• 21

• 30

• 84

Tags

CCSS.5.MD.A.1

In the standard (x, y) coordinate plane, a circle with its center at (8, 5) and a radius of 9 coordinate units has which of the following equations?

Tags

CCSS.HSG.GPE.A.1

It cost $2,500 to administer each Yq test and $50 to administer each Sam77 test. What was the total cost to administer both tests to all the volunteers?

• $1,537,500

• $1,556,750

• $1,568,250

• $2,500,000

• $2,550,000

Tags

CCSS.HSA.CED.A.3

What percent of the volunteers actually carry Yq77?

• 57.5%

• 60.0%

• 60.5%

• 61.5%

• 62.5%

Tags

CCSS.8.SP.A.4

For how many volunteers did the Sam77 test give an incorrect result.

• 10

• 25

• 35

• 385

• 400

Tags

CCSS.HSS.IC.B.3

One of the volunteers whose Sam77 test result was positive will be chosen at random. To the nearest 0.001, what is the probability the chosen volunteer does NOT possess Yq77?

• 0.017

• 0.026

• 0.035

• 0.041

• 0.063

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

• A

• B

• C

• D

• E

Tags

CCSS.HSN.VM.C.8

Regardless of how the graph is oriented in the standard (x, y) coordinate plane, NO graph in one of the following categories has a vertical line of symmetry. Which one?

• Line

• Square

• Pentagon

• Paraellelogram

• Scalene Triangle

Tags

CCSS.4.G.A.3