Evaluating Algebraic Expressions with Negatives

Evaluate:
x - y - x² + (y² + x)
when x = -3 and y = -2

• -9

• 9

• -3

• -13

Evaluate the expression when a = -15:

|a - 5| + 2

• 22

• 27

• -18

• 7

Simplify:
17m - 4 - 15m + 8

• 2m + 4

• 2m + (-12)

• 2m + 12

• 2m + (-4)

Simplify:
-5 - 15n - 10n + 19

• -25n + 14

• -25n + 4

• -5n + 14

• -5n + 24

• 2

• -2

• -8

Evaluate the expression for x = 2 and y = 4. Enter your answer in the box. Show your work. The expression is: 16x^0 + 2x^2 - y^-1

• 21.75

• 19.75

• 23.75

• 25.75

simplify the following expression
- ( 2x + 7)

• - 2x + 7

• - 2x - 7

• 2x - 7

• 2x + 7

Simplify the expression.

-(-2a+3)

Mathematical Equivalence

OFF

(-9)² - 99⁰=

(hint: anything to the power of 0 is 1 AND look at the parentheses)

• 81-1=80

• -81-1=-80

• -81-1=-82

• -5x - 3

• -5x + 3

• -8x

• -2x