Evaluating Expressions Algebra

Evaluate the following:
3 + 27 ÷ (-3)

• -6

• -10

• 10

• -12

Q1. What is the result of 9 - 27?

• 18

• -18

• 27

• -27

Evaluate 2r + 1 if r = -3

• -5

• 5

• 7

• -7

x² - xy if x = 8 and y = -3

• 88

• 40

• -8

• -24

a²-b²Evaluate if a=4 and b =-2

• 4

• 20

• -4

• 12

Evaluate the expression for the given values. 5x - 3y + 2z

• 17

• 19

• 13

• 29

Evaluate the expression for the given values. 5xy - z²

• 14

• -46

• -14

• 46

Evaluate the expression for the given values. x²z - 5y

• 26

• 46

• 42

• 104

Evaluate the expression for the given values.

x³ + 5y² - yz

• 37

• 15

• 39

• 55

Evaluate the expression for the given values. x ( y - 3z )

• -42

• -60

• -30

• -11