Solving Quadratics by Square Roots

Front

Solve by taking square roots: a^2 + 9 = 9

Back

a = 0

Tags

CCSS.HSA-REI.B.4B

Front

x² = 49

Back

±7

Tags

CCSS.8.EE.A.2

Front

x² - 4 = 77

Back

±9

Tags

CCSS.8.EE.A.2

Front

Solve by taking square roots: k² - 6 = 43

Back

k = 7, k = -7

Tags

CCSS.HSA-REI.B.4B

Front

4x² = 100

Back

±5

Tags

CCSS.8.EE.A.2

Front

Solve by taking square roots:
5b² - 4 = 41

Back

b = 3, b = -3

Tags

CCSS.HSA-REI.B.4B

Front

Solve for x.
-9p² = -576

Back

x = 8, -8

Tags

CCSS.8.EE.A.2

Front

Solve for h: (h - 2)^2 = 9

Back

h = 5, -1

Tags

CCSS.8.EE.A.2

Front

Solve using square roots.

Back

B

Tags

CCSS.8.EE.A.2

Front

Factor 81m² - 1

Back

(9m-1)(9m+1)

Tags

CCSS.HSA.APR.C.4