SREB Unit 2 Review

What is a variable?

• It's a number in an equation.

• A letter representing an unknown number in an equation.

• The symbols in an equation that aren't letters or numbers.

• Any equation with an equals sign.

Tags

CCSS.6.EE.A.2B

Solve for x.
x + 5 = 23

• 28
• 18
• 23
• 20

Tags

CCSS.6.EE.B.7

Solve for c. 
14 = c - 7

• 7
• 14
• 21
• 28

Tags

CCSS.6.EE.B.7

Solve for y. 
y - 35 = 50

• 25
• 15
• 85
• 35

Tags

CCSS.6.EE.B.7

Olivia bought a notebook for $12.50 and 9 pens. If her total was $43.73, how much was each pen?

• 12.5x +9 = 43.73

• 73.43 = 12.5x + 9

• 12.5 - 9x = 43.73

• 43.73 = 12.5 + 9x

Tags

CCSS.HSA.CED.A.3

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50.

• y = 8.5 + 25.5
• y = 8.5x + 25.5
• y = 8.5 + 25.5x
• y = 8.5x + 25.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does 2.75 represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

Tags

CCSS.HSF.LE.B.5

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does x represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

Tags

CCSS.HSF.LE.B.5

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does 4.25 represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

Tags

CCSS.HSF.LE.B.5

Jim works at a local restaurant. He earns $8 an hour, plus tips. If Jim earned $350 last week, which included $270 in tips, how many hours did he work?

• 8/h + 270 = 350

• 350 = 270 + 8 + h

• 350 = 270 + 8h

• 350 -270 = h

Tags

CCSS.HSA.CED.A.3