PSAT math

Which of the following is an equivalent form of the expression 15x + 24ax ?

•  $39ax^2$  

• 39(a + 2x)

• (5 + 8a) x

• (15 + 24a) x

Tags

CCSS.6.EE.A.4

If 6x= 25, what is the value of 3(x+ 1/2)?

• 53/6
• 51/2
• 13
• 14

Tags

CCSS.6.EE.B.7

Which graph shows the correct representation of {x | x ≤ 5}?

• 
• 
• 
• 

Tags

CCSS.6.EE.B.8

What is the solution to the inequality 3t + 9 ≥ 15 ?

• t ≥ 3

• t ≥ 1

• t ≥ 2

• t ≥ 4

Tags

CCSS.7.EE.B.4B

Which of the following is equivalent to 3(x + 5)-6

• 3x-3

• 3x-1

• 3x+9

• 15x-6

Tags

CCSS.6.EE.A.4

• A

• B

• C

• D

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A babysitter earns $8 an hour for babysitting 2 children and an additional $3 tip when both children are put to bed on time.  If the babysitter gets the children to bed on time, what expression could be used to determine how much the babysitter earned?

• 8x+3 where x is the number of hours
• 3x+8 where x is the number of hours
• x(8+2) + 3 where x is the number of children
• 3x+(8+2) where x is the number of children

Tags

CCSS.HSA-SSE.A.1A

Which values is a solution to 90 < –30p + 15?

• p=-10

• p=0

• p=-2.5

• p=3

Tags

CCSS.6.EE.B.5

• 7
• 9
• 12
• 8

Tags

CCSS.6.EE.A.2C

• A`

• B

• C

• D

Tags

CCSS.HSA.APR.A.1