Q2 Review

​Q2 Review
expressions & equations

By Julie White

Multiple Choice

What is the coefficient? 7h + 3

• h

• 3

• 7

• +

Multiple Choice

What is the constant? g + 12 + 9g

• g

• 12

• 9g

• +

Multiple Choice

What is the variable? 8x + 15

• 8X

• x

• 15

• +

Multiple Choice

19 - d

• d fewer than 19

• 19 minus r

• 19 plus d

• 19 fewer than d

Multiple Choice

12 MORE THAN A NUMBER

• 12 + N

• N - 12

• 12 < N

• 12 > N

Multiple Choice

Write the algebraic expression

6 times the number m

• 6+m

• 6-m

• 6m

• $$\frac{6}{m}$$

Multiple Choice

8 times r

• 8 + r

• 8 - r

• 8r

• $$\frac{8}{r}$$

Multiple Choice

Translate the following:

The sum of r and 9

• $$9r$$  

• $$r+9$$  

• $$9-r$$  

• $$\frac{r}{9}$$  

Multiple Choice

What operation does $$5a$$ represent?

• addition

• subtraction

• multiplication

• division

Multiple Choice

Which is an algebraic expression for each of the following situations?

• x - 7

• 7 - x

• 7x

• x/7

Multiple Choice

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Multiple Choice

Simplify the expression: 7v + 2 + 12 + 2v

• 23
• 23v
• 9 + 14v
• 9v + 14

Multiple Choice

5x + 3y + 5 + 4x + 3y + y + 8

• 9x + 7y + 13
• 6x + 2y + 2
• 25x + 2y + 3
• x + 7y + 12

Multiple Choice

2(4 + 9w) 

• 8+9w
• 2+9
• 8+18w
• 2+9w

Multiple Choice

5(2x + 3)

• 10x + 3

• 10x + 15

• 25x

• 7x + 8

Multiple Choice

10( b + 3)

• 10b + 30

• 30b

• 10b + 3

• 10b - 3

Multiple Choice

Simplify: 20n + 4 + 5 + 7n

• 36n

• 24n + 2n

• 27n + 9

• 24n + 12

Multiple Choice

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Multiple Choice

When  $$a=4$$  
Find:  $$a+a+a$$  

• $$3a$$  

• $$3$$  

• $$12$$  

• $$64$$  

Multiple Choice

When $$c=2\ \ and\ d=4$$  
Find the value of:  $$cd$$  

• 24

• 8

• 6

• 42

Multiple Choice

$$g=4$$  

Find the value of  $$g^2$$  

• 4

• 8

• 12

• 16

Multiple Choice

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

Multiple Choice

3x + 8   if x = 2

• 13
• 14
• 15
• 16

Multiple Choice

Evaluate expression if a=3

18 ÷ 2a

• 3

• 6

• 27

• 9

Multiple Choice

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22
• 34
• 68
• 43

Multiple Choice

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

Multiple Choice

Solve the equation:
4p = 16

• p = 12
• p = -12
• p = -4
• p = 4

Multiple Choice

2) Please solve this equation

^p/₅ = 7

• p = 35

• p = 12

• p = 2

• None of these match my answer

Multiple Choice

10) Please solve this equation

m - 14 = 32

• m = 18

• m = 2 ¹/₈

• m = 424

• None of these match my answer

Multiple Choice

13) Please solve this equation

23 = x + 7

• x = 16

• x = 30

• x = 161

• None of these match my answer

Multiple Choice

9) Please solve this equation

Melanie and Julian have 50 dinosaurs in total. Julian has 21 dinosaurs. How many dinosaurs does Melanie have?

• g = 29

• g = 71

• g = 1050

• None of these match my answer

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Where/what is the mistake?

• Line 2 - You should add 12 to both sides.
• Line 4 - You should multiply both sides by the reciprocal.
• Line 4 - You should multiply both sides by the original fraction. 
• Line 5 - There was a calculation error.

Multiple Choice

An inverse operation is

• reversing the sign in an inequality
• using the opposite operation to solve equations
•  A number’s distance from zero

Multiple Choice

Like terms are 

• numbers or same variable raised to the same power
• equal numbers
• only unknown values

Multiple Choice

Figure out what n equals in this equation:
6n + 4 = -26

• n=-6
• n= -5
• n= 8
• n= -4

Multiple Choice

Which word is NOT a key word for multiplication?

• double

• total

• product

• times

Multiple Choice

The total of 15 and a number P

• 15/P

• 15P

• 15 - P

• 15 + P

Multiple Choice

The quotient of a number n and 12 is 8.

• n - 12 = 8

• 12n = 8

• n/12 = 8

• n + 12 = 8

Multiple Choice

Which phrase describes the expression?

n + 10

• The product of a number and n

• a number n decreased by 10

• the sum of a number n and 10

• a number n times 10

Multiple Choice

Write a sentence to describe the equation: y - 8 = 7

• 8 less than a number y is 7

• 7 less than an number y is -8

• the quotient of a number y and 8 is 7

• the total of a number y and 8 is 7

Multiple Choice

x fewer than 100

• 100 - x

• x - 100

Multiple Choice

Twice

• Add
• Subtract
• Multiply
• Divide

Multiple Choice

Total

• Add
• Subtract
• Multiply
• Divide

Multiple Choice

Increased by

• +
• - 
• x
• ÷

Multiple Choice

Quotient

• Add
• Subtract
• Multiply
• Divide

Multiple Choice

Sum

• Add
• Subtract
• Multiply
• Divide

Multiple Choice

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign

• Expressions do not have an equal sign and equations do have an equal sign

• There is not a difference

• Expressions do not have variables and equations have variables

Multiple Choice

What do the following terms mean:
is
equal
the same as 

• +
• -
• =
• x

Multiple Choice

Find the difference means

• Add

• Multiply

• Subtract

• Divide

Multiple Choice

What operation do these terms mean?
difference
decreased by
less than 

• addition
• subtraction
• multiplication
• division

Multiple Choice

What operation do these terms mean?
combined
increased by
more than

• addition
• subtraction
• multiplication
• division

Multiple Choice

What operation do these terms mean?

quotient

divided by

half

• addition

• subtraction

• multiplication

• division

Multiple Choice

Select the representation for the expression above....

• 4x + 7

• 4x + 3

• 4x minus 7

• 4x - 3

Multiple Choice

Which expression is shown here?

• 3x + 2 + 2x + 6
• 3x + 2x + 2x + 6x
• 3 + 2 + 2 + 3

Multiple Choice

Which expression is modeled?

• -3x - 6

• 3x + 6

• -6x + 3

• 3x - 6

Multiple Choice

Which expression is being modeled?

• -4x + 7

• 4x -7

• -4x -7

• -7x + 4

Multiple Choice

Which expression is represented?

• -2x + 4

• 4x - 2

• 2x + 4

• 2x - 4

Multiple Choice

How many terms are there in the expression below?

19 + 2x - 4 + 6x - 8x

• 2

• 3

• 4

• 5