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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
Simplify as much as possible $x+2x^2-3=-5x+x^2-12$
1. $x=0$
2. $x=-3$
3. $x^2=-9$
4. $x=6$
Which expression is equivalent to $(2x+3)(x-1)$?
1. $2x^2+x-3$
2. $2x^2+x+3$
3. $2x^2+3x+3$
4. $2x^2+3x-3$
Factor:
$x^2-81$
1. (x+9)(x-9)
2. (x+9)(x+9)
3. (x-9)(x-9)
4. Unfactorable
Solve:
$2x^2-4x-3=0$
1. $x=1+-2sqrt10$
2. $x=2+-sqrt10$
3. $x=(2+-sqrt10)/2$
4. $x=(2+-sqrt2)/2$
Which equation represents the graph of the parabola?
1. $y = 1/2x$
2. $y =-1/2x$
3. $y = 1/2x^2$
4. $y=-1/2x^2$
$x+2x^2-3=4x+x^2+2$ is equivalent to
1. $3x^2-x+5=0$
2. $x^2-3x=5$
3. $x^2-5=-3x$
4. $x^2-5=3x$
Solve for $x$.
$3x^2-4=8$
1. x = -1, 1
2. x = 12
3. x = 4
4. x = -2, 2
5. x = 3
If two equations are equal what does that mean?
1. There is no solution
2. There are infinite solutions
3. There is one solution
Solve for x.
$8x^2=968$
1. x=11
2. x=-31, 31
3. x=-121, 121
4. x=-11, 11
5. x=121
Simplify as much as possible $2x-x^2=4-2x-x^2$
1. $x=1/2$
2. $x=2$
3. $x=1$
4. $x^2=2$
Expand and simplify
$(x- 5 ) (x + 6)$
1. $x^2 - 1x + 30$
2. $x^2 +11 x - 30$
3. $x^2 + x - 30$
4. $x^2 - 11x -30$
1. $y = x$
2. $y = x^2$
3. $y = - x$
4. $y = - x^2$