Quiz on Solving by taking the square roots Nov 12 2018

Solve for the variable: r² = 96 (must choose 3 answers)

• ^{±√(2×2×2×2×2×3)}

• ±√(4×4×6)

• ±4√6

• ±8√3

Solve for the variable: r² = 78 , r = ?

• ⁷⁸

• ± 78

• ^{− 78}

• ±√78

Solve for the variable: r² = 0 , r = ?

• ⁰

• no solution

• ^{does not exist}

Solve for the variable: n² − 4 =77 , n = ? Select 2 choices

• ^√73

• ±√81

• ±√73

• ± 9

Solve for the variable: x² − 1 = 80 , x = ? Select 2 choices

• ±√81

• ±√79

• ±9

• No solution

Solve for the variable: 4x² − 6 = 74 , x = ? Select 2 choices

• 4x² = 80

• ± 2√5

• x=± 5√2

• x=±√81

Solve for the variable: (p - 4)² = 16 , p = ? Select 2 choices

• ±√8

• ± 8

• x=0

• x=8

Solve for the variable: (p - 4)² = 16 , p = ? Select 2 choices

• ±√8

• ± 8

• x=0

• x=8

Solve for the variable: 10(x - 7)² = 440 , ? Select 2 choices

• x - 7 = ± √440

• x - 7 = ± √44

• x =7 ± 2√11

• x =7 ± 4√11

Solve by taking square roots:
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Tags

CCSS.HSA-REI.B.4B