Topic 4 Review

A(n) ______________ is a statement that two mathematical expression are equal

• equation
• inverse operation
• solution of an equation
• expression

Multiplying 5 and dividing 5 are ________________.

• equations
• inverse operations
• solutions of an equation
• expressions

Tags

CCSS.4.NBT.B.6

Write an equation for the word sentence:
The sum of a number and 4.5 is 8.2.

• 8.2=4.5n
• n+4.5=8.2
• 8.2n=4.5
• n-4.5=8.2

Tags

CCSS.HSA.CED.A.3

Write an equation for the word sentence:
Three times the cost is $24.

• 3c=24
• 24c=3
• c+3=24
• c-3=24

Tags

CCSS.HSA.CED.A.3

Determine whether the given value of the variable is a solution of the equation.
x - 24 = 58;  x = 82

• yes
• no

Tags

CCSS.6.EE.B.5

Solve the equation:
a + 2.4 = 7.8

• a = 10.2
• a = 5.4
• a = 17.76
• a = 3.25

Tags

CCSS.6.EE.B.7

Solve the equation:
3x = 27

• x = 9
• x = 24
• x = 81
• x = 30

Tags

CCSS.6.EE.B.7

Solve the equation:
t ÷ 4 = 16

• t = 4
• t = 12
• t = 20
• t = 64

Tags

CCSS.3.OA.A.4

Solve the equation:
w ÷ 7 = 0.3

• w = 0.043
• w = 7.3
• w = 2.1
• w = .3/7

Tags

CCSS.5.NBT.B.7

What is the value of the expression, if a = 2

7 + a =

• 14

• 5

• 9

• 7

Tags

CCSS.6.EE.A.2C