Chapter 1 Quiz 2020-2021

Choose the like term to 9x

• 9

• 6x

• 9x²

• 12

Choose the like term to 12

• 9x

• $2x^2$
  

• 12x

• $\frac{1}{2}$

Simplify the following expression:
(9 + 2) - 6 $\cdot$  3

• 15

• 29

• -7

• 8

Simplify the following expression:

 $19\ +\ 20\ \div\left(9\ -\ 5\right)\ +\ 6$  

• -32

• 30

• 49

• 4

How many terms are in the following expression: 

 $6x^2\ +\ 2x\ -\ 4$  

• 3

• 2

• 1

• 0

What is the constant in the following expression:

9x - 4

• 2

• x

• 9

• -4

What is the coefficient in the following expression:

9 - x

• 2

• x

• 9

• -1

What is the variable in the following expression:

3a + 7

• 3

• 7

• a

• 2

Evaluate the following expression when

a =2 and b = 3

4a - 6b

• -18

• 8

• -10

• 26

Evaluate the following expression when
c = -6 and d = 5

 $\frac{2c\ -\ 4d}{2}$  

• 4

• 16

• -16

• -4