Factorin
Solve the following quadratic equation by using square roots: x2 = 4
Solve the following quadratic equation by completing the square: x2 + 6x = -8
x = -b +- sqrt(b2 - 4ac) /(2a)
Find the vertex of f(x)=-x2+8x-15
Solve the following quadratic equation by factoring. x2+3x+2 = 0
x = -2 x = -1
Solve the following quadratic equation by using square roots: x2 = 121
+11 or -11
Solve the following quadratic equation by completing the square: x2 - 6x = -5
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
x = -1 x = -5
Find the vertex of f(x)=x2 - 2x
(1,-1)
How many times does the graph of y = 4x2 -7x - 4 intersect the x-axis?
two times
Solve the following quadratic equation by using square roots: 4x2 - 1= 399
x = 10 x = -10
Does the graph of y = 2x2 - 4x + 1 have a minimum or maximum? How do you know?
Opens up because the a value is greater than 1
Simplify: (3 - 5i) - (2 + 3i)
1 - 8i
What is the product of (9 + 8i) and (8 - 7i)?
128 + i
Find the x-intercepts: x2 - 6x = 27
x = 9 x = -3
How many times the graph of y = 2x^2 +3x + 3 intersect the x-axis?
Describe the transformations of the parent function
y = x2: -2(x + 1)2 - 5
reflection over x axis, vertical stretch, translate 1 to the left and down 5
Solve the following quadratic equation by using the quadratic formula: 3x2 - 3x - 5 = 0
x = 1/2 +- (sqrt 69)/6
Write the following in vertex form:
f(x)=2x2 + 12x - 3
f(x) = 2(x+3)2 - 21
Solve the following quadratic equation:
2x2 - 5x - 3 = 0
x = -1/2 x = 3
Solve the following quadratic equation by using square roots: 3(x - 2)2 + 5 = 65.
x = 2 + 2*sqrt5, x = 2 - 2*sqrt5
Solve the following quadratic equation by completing the square: 2x2 - 8x = 10
x = 5 x = -1
Solve the following quadratic equation: 4x2 - 17x - 15 = 0
x = 5 x = -3/4
Find the vertex of x=5x2+10x-13.
(1, -8)