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Expand and simplify
$(x- 5 ) (x + 6)$
1. $x^2 - 1x + 30$
2. $x^2 +11 x - 30$
3. $x^2 + x - 30$
4. $x^2 - 11x -30$
Factor the expression.
$x^2 - 10 x + 16$
1. $( x - 8) (x - 2)$
2. $(x -4 ) (x - 4)$
3. $(x - 8) (x +2)$
4. $(x + 8 ) (x - 2)$
$9x^2 + 24x +16$Factor the expression.
1. $(x + 4)(9x - 1)$
2. $(3x + 16)(3x + 1)$
3. $(3x + 4)^2$
4. $(3x + 8)^2$
Solve the equation $x^2-2x-35=0$
1. x=-7 and x=5
2. x=-7 and x=-5
3. x=7 and x=-5
4. x=7 and x=5
Solve:
$2x^2-4x-3=0$
1. $x=1+-2sqrt10$
2. $x=2+-sqrt10$
3. $x=(2+-sqrt10)/2$
4. $x=(2+-sqrt2)/2$
Factor:
$x^2-81$
1. (x+9)(x-9)
2. (x+9)(x+9)
3. (x-9)(x-9)
4. Unfactorable
What are the solutions of $x^2 -3x - 40$?
1. -5 and -8
2. -5 and 8
3. 5 and -8
4. 5 and 8
The graph of a quadratic function
is called a(n)
1. line
2. hyperbola
3. cubic
4. parabola
If you complete the square for $x^2-10x=14$, what will the factored quadratic be?
1. $(x-5)^2=39$
2. $(x-5)^2=114$
3. $(x+5)^2=114$
4. $(x+5)^2=39$
Which of the following is NOT a quadratic equation?
1. $x^2 - 4 = 0$
2. $-9 + x^2 = 0$
3. $-7x + 12 = 0$
4. $-2 + 9x + x^2 = 0$
What are the x-intercepts of the graph of $-x^2 +3x - 2 = 0$
1. x = -1, x = -2
2. x = 1, x = 2
3. x = 1, x = -2
4. x = -1, x = 2
Which function has a y-intercept of 4?
1. $y = 2x^2 + 1$
2. $y = 2x^2 + 4x$
3. $y = 2x^2 - 4$
4. $y = 2x^2 + 4$
What is the product $(x + 5)(x^3 - 2x -3)?$
1. $x^4 + 5x^3 - 2x^2 - 7x -15$
2. $x^4 + 5x^3 - 2x^2 - 13x - 15$
3. $x^4 + 5x^3 - 2x^2 - 10x - 15$
4. $x^4 + 5x^3 - 2x^2 - 3x - 15$
What is the difference $(x^4 - 3x^2 + 4x + 7) - (x^4 - 6x^3 + 4x)?$
1. $3x^3 + 7$
2. $6x^3 - 3x^2 + 7$
3. $6x^3 - 3x^2 + 8x + 7$
4. $3x^3 + 8x + 7$