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Quadratics Review part 3 Flashcards | StudBud
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Quadratics Review part 3
Quadratics Review part 3
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Questions
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Answers
1
How would you solve this equation: x
2
+ 9x + 18 = 0?
Factor it into (x + 9)(x + 2) = 0.
Factor it into (x + 18)(x + 1) = 0.
Factor it into (x + 6)(x + 3) = 0.
Factor it into (x - 9)(x - 2) = 0.
2
Find the product of (x + 8)
2
.
x2 - 64
x2 + 64
x2 + 16x + 64
x2 + 16
3
What is the product of the binomials (x - 5)(x + 5)?
x2 - 25
x2 + 10x + 25
x2 - 10x - 25
x2 + 25
4
What form is the following function written in: g(x) = -(x + 4)(x - 2)?
Standard form
Vertex form
Factored form
Slope-Intercept form
5
What form is this function written in: f(x) = -x
2
- 2x - 8?
Slope-Intercept form
Standard form
Factored form
Vertex form
6
What are the solutions to the equation x
2
+ x - 12 = 0?
x = -4, -3
x = 4, 3
x = 4, -3
x = -4, 3
7
Multiply the binomials (3x - 2)(5x + 1) together.
15x2 - 7x - 2
x2 + 40x - 28
3x2 + 40x - 28
15x2 - 2
8
Factor the expression x
2
- 81.
(x - 9)(x - 9)
(x + 9)(x - 9)
(x + 9)(x + 9)
(x + 3)(x - 27)
9
Factor the expression x
2
- 1.
(x - 2)(x + 1)
(x + 2)(x + 1)
(x + 1)(x - 1)
(x + 4)(x - 3)
10
Factor the equation h(x) = x
2
- 19x + 88.
(x + 8)(x - 11)
(x + 8)(x + 11)
(x - 8)(x - 11)
(x - 8)(x + 11)
