Solve Quadratics by Square Root Method Form A Quiz

3x² = 12

• ± 2
• 2
• ± √12
• ± 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

7x² + 1 = 8

• ± 1
• ± 7
• ± √7
• ± 8

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

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

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

• x = 3  or   x = -3

• x = 3i or x = -3i

• x = 4.5i or x = -4.5i

• x = 3

Tags

CCSS.HSA.REI.B.4

CCSS.HSN.CN.A.1

CCSS.HSN.CN.C.7

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

(x + 1) ² = 25

• ± 5
• 4  or  -6
• -4  or  6
• ± 4

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

• x = 2.45

• x = 6 or x = -6

• x = 3.16  or x = -3.16

• no solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

• x = 2 or x = -2

• x = 5 or x = 1

• x = 2.29  or x = 8.29

• x = 7 or x = -1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Tags

CCSS.HSA.REI.B.4

• {-8, 12}

• {-12, 5}

• {5, -3}

• {2, -2}

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4