classifying
Zeros
Factoring
Quadratic Equations w/complex solutions
Rational Exponents and Roots
100
What type of equation is x2 + 7x -18 =0?
quadratic
100
What are "zeros of a function"?
The x-intercepts of the graph of a function.
100
Factor the following quadratic expression.
x2 +7x -18
(x+9)(x-2)
100
In the equation x2 - 4x + 29 = 0, what are the values of a, b and c?
a = a
b = -4
c = 29
100
find the square root of √ 9
3
200
What type of equation is y = mx + b?
Linear
200
Why are the x-intercepts of a function called zeros?
They are the values when y = 0
200
Solve the quadratic equation
x2 + 7x -18 =0
x=9
x=2
200
What is the name of this formula?
Quadratic Formula
200
Rewrite the following as a rational exponent
sqrt7
x7/2
300
What does b represent in the equation y = mx + b?
y-intercept
300
What are the zeros of the graph below?
x=2 and x = -3
300
Solve the equation x2 -2x -1 = 0 using the quadratic formula.
x = 1 +- sqrt2
300
What is the special name for the information that is circled?
The Discriminant
300
Rewrite the following as a rational exponent in simplest form.
4sqrtx^6
x3/2
400
Which equation will have only two real solutions?
3x2-2x-3=0 or 4x3+2x2-5=0
3x2-2x-3=0
400
What are the zeros of f(x)=x(x+3)(x-4)?
-3, 0, and 4
400
Solve x2 -10x +25 =0 by factoring.
x=5
400
Solve: x2 -2x +2 = 0
x = 1 + i
x = 1 - i
400
x5/2 is equivalent to ____
sqrt5
500
If a system of equations is graphed, how can you identify the solution?
By identifying the point(s) of intersection
500
What are the zeros of the graph below?
x=-2, x=4
500
Solve x2 - 8x + 12 = 0 by factoring.
x = 6, x = 2
500
If the discriminant, b2 - 4ac, is negative, will the quadratic equation have real or imaginary solutions?
Imaginary
500
1/sqrtx
x-1/2