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This printable supports Common Core Math Standard HSA.REI.B.4

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# Solving Quadratic Equations - Practice #1 (Grade 10)

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## Solving Quadratic Equations - Practice #1

1.
What are the solutions to the following equation?
$x^2-49=0$
1. $x = 40, \ x = 9$
2. $x = 0, \ x = 49$
3. $x = 7, \ x = -7$
4. $x = 0, \ x = -49$
2.
What are the solutions for the quadratic equation $x^2 + 6x = 16$?
1. x = -2, -8
2. x = -2, 8
3. x = 2, -8
4. x = 2, 8
3.
Find the solution of the following: $x^2 + 5 = 32$.
1. $x = +-9sqrt6$
2. $x = +-3sqrt3$
3. $x = +-sqrt32$
4. $x = +-3sqrt6$
4.
Solve the quadratic equation $x^2+4=104$.
1. $x=10$
2. $x=-10$
3. $x=+-10$
4. None of the above
5.
Solve using the quadratic formula.
$4x^2 = 9$
1. $x = pm 3/2$
2. $x = 2/3$
3. $x = pm 2/3$
4. $x = -3/2$
6.
Solve using factoring or the Quadratic Formula.
$5x^2 + 8x = 0$
1. $x=0,8/5$
2. $x=0,-8/5$
3. $x=-5,-8$
4. $x=5,8$
7.
Solve by factoring or by using the Quadratic Formula.
$x^2+45x+200=0$
1. $x=-5,-40$
2. $x=5,40$
3. $x=-100,-2$
4. $x=2,100$
8.
Solve the quadratic equation $x^2-256=0$.
1. $x=+-16$
2. $x=16$
3. $x=-16$
4. None of the above
9.
Solve by factoring or the Quadratic Formula.
$x^2 – 6x + 9 = 0$
1. $x = -3$
2. $x = 3$
3. $x = -3, 3$
4. $x = 0$
10.
Solve the quadratic equation: $7x^2+1=29$. What are the two solutions for the quadratic equation?
1. $x=2 or x=-2$
2. $x=2i or x=-2i$
3. $x=-2 or x=-2$
4. $x=2i or x=2i$
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