Evaluate and Simplify Algebraic Expressions

Simplify the Expression:

7x² - 3a +20 - 4x² + 2a

• 11x² - a + 20

• 3x² - a + 20

• 2a + 20

• 3x² - a

Tags

CCSS.7.EE.A.1

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

Tags

CCSS.6.EE.A.2C

6a - 3d
when a = 1, d = 2

• 3

• 12

• 1

• 0

Tags

CCSS.6.EE.A.2C

Evaluate 4n - n² for n = -3.

• -21

• -3

• 8

• -7

Tags

CCSS.6.EE.A.2C

Evaluate (2y - 5)² for y = -2.

• -25

• 25

• -81

• 81

Tags

CCSS.6.EE.A.2C

2x + 5x - 4 + 1

• 7x -3

• 10x - 3

• 4x

Tags

CCSS.7.EE.A.1

4( x + 1 ) - 2x

• 4x + 5

• 2x -4

• 2x + 4

Tags

CCSS.6.EE.A.3

The perimeter of the rectangle ABCD is:

• 2x + 3

• 4x + 6

• 8x + 12

Tags

CCSS.HSA.APR.A.1

Evaluate 8a - b     if a = 10   and   b = 6

• 74

• 38

• 1000

• 9000

Tags

CCSS.6.EE.A.2C

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20

• 24

• 44

• 4

Tags

CCSS.6.EE.A.2C