9th
-
10th
grade

Mathematics

67%

accuracy

226

plays

Tom Giles

3 years

Mathematics

9th -

10thgrade

Solving Quadratic Equations by Taking Square Roots

Tom Giles

226
plays

15 questions

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1. Multiple Choice
30 seconds
1 pt
Solve by taking square roots.
$x^2=81$
$\left\{40.5\right\}$
$\left\{9\right\}$
$\left\{\pm\ 9\right\}$
$\left\{0,\ 9\right\}$
2. Multiple Choice
30 seconds
1 pt
Solve by taking square roots.
$x^2-225=0$

Hint: Isolate $x^2.$
$\left\{\pm\ 14\right\}$
$\left\{15\right\}$
$\left\{\pm\ 15\right\}$
$\left\{112.5\right\}$
3. Multiple Choice
30 seconds
1 pt
Solve by taking square roots.
$x^2-64=0$
$\left\{\pm\ 32\right\}$
$\left\{\pm\ 16\right\}$
$\left\{\pm\ 8\right\}$
$\left\{\pm\ 4\right\}$
4. Multiple Choice
30 seconds
1 pt
Find the zero(s) by taking square roots.
$x^2-7=0$
$\left\{7\right\}$
$\left\{-7\right\}$
$\left\{\pm\ 7\right\}$
$\left\{\pm\sqrt{7}\right\}$
5. Multiple Choice
30 seconds
1 pt
FInd the solutions(s) by taking square roots.
$x^2=20$
$\left\{\pm\ 20\right\}$
$\left\{\sqrt{20}\right\}$
$\left\{\pm\ 4.5\right\}$
$\left\{\pm\ 2\sqrt{5}\right\}$
6. Multiple Choice
30 seconds
1 pt
Find the solution(s) by taking square roots.
$\left(x+5\right)^2=0$
$\left\{\pm\ 0\right\}$
$\left\{\pm\ \sqrt{5}\right\}$
$\left\{\pm\ 5\right\}$
$\left\{-5\right\}$
7. Multiple Choice
30 seconds
1 pt
Solve the following quadratic equation:
$x^2+5x=6$
$x=2\ \ \ \&\ \ \ x=3$
$x\ =-1\ \ \ \&\ \ \ x=6$
$x=1\ \ \ \&\ \ \ x=-6$
$x=-2\ \ \ \&\ \ \ x=-3$
8. Multiple Choice
5 minutes
1 pt
Solve by taking square roots:
a² + 9 = 9
no solution
a = 0
a = 3 or -3
a = 18
9. Multiple Choice
5 minutes
1 pt
Solve by taking the square root:
4x² = 100
x = ±10
x = ±25
x = ±5
x = 5
10. Multiple Choice
15 minutes
1 pt
Solve.
5b² - 4 = 41
b = ±9
b = ±3
b = ±8
No Real Number Solution
11. Multiple Choice
1 minute
1 pt
Solve by taking square roots:
5m² + 1 = 6
m = 1
m = 1 or -1
m = √7
m = 7/5 m = -7/5
12. Multiple Choice
15 minutes
1 pt
Solve using square roots.
k² - 6 = 43
k = √37
k = 37 or - 37
k = 7, k = -7
no solution
13. Multiple Choice
15 minutes
1 pt
Solve using square roots.
±81
±9
±3
No real solution
14. Multiple Choice
15 minutes
1 pt
Solve using square roots.
±√9
±3
±1
No real solution
15. Multiple Choice
15 minutes
1 pt
Solve by taking square roots:
5m² + 1 = 6
m = 0
m = 1 or -1
m = √7
m = 7/5 m = -7/5
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Solving Quadratic Equations by Taking Sq...

9th
-
10th
grade

Mathematics

Mathematics

9th -

10thgrade

Solving Quadratic Equations by Taking Square Roots

226
plays

15 questions

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