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Subtract. $(7a^2 - 3a) - (5a^2 - 5a)$
1. $2a^2 - 8a$
2. $2a^2 + 2a$
3. $4$
4. $12a^2 - 8a$
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
$4x^2 = 9$
1. $x = pm 3/2$
2. $x = 2/3$
3. $x = pm 2/3$
4. $x = -3/2$
Factor. $9m^2 -16$
1. $(3m-4)(3m-2)$
2. $(3m-8)(3m+2)$
3. $(3m-4)(3m+4)$
4. $(3m-4)(3m-4)$
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
Factor the expression. $a^2-12a + 36$
1. $(a-6)(a-6)$
2. $(12a + 1)(-2a + 6)$
3. $(a + 6)(a + 6)$
4. $(a - 12)(a + 6)$
Simplify as much as possible $x+2x^2-3=-5x+x^2-12$
1. $x=0$
2. $x=-3$
3. $x^2=-9$
4. $x=6$
The best definition for vertex is
1. the roots
2. the zeros
3. the highest or lowest point of a parabola
4. the y-intercept
If $6x^2 = 3/32, x =$
1. $-1/2, 1/2$
2. $-1/4, 1/4$
3. $-1/8, 1/8$
4. $-1/16, 1/16$
$x^2 - 2x -24$
1. $(x+6)(x-4)$
2. $(x-6)(x-4)$
3. $(x-6)(x+4)$
4. $(x+6)(x+4)$