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Mathematics
9th
grade
Solving Quadratic Using the Square Root Property
20 questions
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- 1. Multiple Choice
x = ±49
x = ±8
x = ±7
No Solution
- 2. Multiple Choice
x = ±12.88
x = ±13
x = 12.88
No Solution
- 3. Multiple Choice
x = ±6.78
x = ±8
x = ±7
No Solution
- 4. Multiple Choice
Solve using square roots.
x = ±81
x = ±9
x = ±3
No real solution
- 5. Multiple Choice
Solve using square roots.
x = ±3
x = ±1.73
x = 3
No real solution
- 6. Multiple ChoiceSolve using square roots.± 1/4± 9/36± 1/2No real solution
- 7. Multiple Choice
x2 = 16
x = ± 4
x = ± 8
x = 4
x = 8
- 8. Multiple Choice
-5x2 = -50
x = ± 5
x = ± 10
x = ± 3.16
x = -10
- 9. Multiple Choice
x2 + 4 = 68
x = ± 8
x = ± √8
x = 8
x = ± 64
- 10. Multiple Choice
4x2 - 1 = 8
x = ± 3/2
x = ± 9/4
x = ± 2/3
x = ± 9/2
- 11. Multiple Choice
Solve using square roots.
5b2 - 4 = 41
b = ±9
b = ±3
b = ±8
no solution
- 12. Multiple ChoiceWhat are the solutions?0 and 8-2 and -43 and -12 and 4
- 13. Multiple Choice
Solve using square roots:
3 + 9r2 = 12
r = 0
no solution
r = ±3
r = ±1
- 14. Multiple Choice
Solve
(x-5)2 = 25
(hint: take the square root of both sides first)
±0
±10
10, 0
-10, 0
- 15. Multiple Choice
Solve
-2x2 = -72
x = ±6
x = ±12
x = ±18
no solution
- 16. Multiple Choice
Solve for x:
25x2 - 10 = 90
x = ±4
x = ±1/4
x=±2
no solution
- 17. Multiple Choice
Choose all statements below that are true:
A quadratic equation always has 2 solutions
The graph of a quadratic equation is called a parabola
The solutions to a quadratic equation are where the graph crosses the x-axis
The equation y = x2 - 49 has an x value of zero for the vertex point.
The solutions to a quadratic equation are where the graph crosses the y-axis
- 18. Multiple Choice
Solve
10x2 - 5 = 85
x = ±3
x = ±9
no solution
x = ±4.5
- 19. Multiple Choice
The equation x2 = 100 has 2 solutions because.......
the power on the x variable is 2
100 is an even number
100 is a multiple of 2
there are 2 different numbers you can square and get 100 as the result
- 20. Multiple Choice
Choose the correct statement below:
To solve a quadratic equation using the square root property, there can't be a middle term
To solve a quadratic equation by graphing, there can't be a middle term
To solve a quadratic equation by factoring and using the zero product property, there can't be a middle term
If a quadratic equation doesn't have a middle term, there is no solution
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