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Graphing
Factoring
Quadratic Formula
Mystery
100
What is the shape of the graph of a quadratic ?
Parabola
100
What are the factors of: x^2+4x+3
(x+1)(x+3)
100
What is the Quadratic Formula?
x = b ± √(b^2-4ac)/2a
100
Explain- How do you find the y-intercept of a quadratic equation?
plug 0 in for x
200
What is the equation the axis of symmetry?
x = -b/2a
200
Find the factors of 3y^2 +12y
3y(y+4)
200
When do you use the quadratic formula?
To find the roots of the quadratic equation when they may be difficult.
200
What is a y-intercept?
It is the value of y when the graph of the line crosses the y-axis. The value of x is 0.
300
Solve x^2-3x-4=0 by graphing -sketch the graph -find the solutions
x=4 x=-1
300
Solve the quadratics by factoring: 4x^2-16 = 0
x = -2 x = 2
300
Use the Quadratic Formula to solve: 2x^2+5x=3
x = 1/2 x =-3
300
How do you find the vertex of a quadratic equation?
First you find the equation of the axis of symmetry then you plug the acis of symmetry into the equation and solve for y.
400
Find the axis of symmetry and the y-intercept of y=-2x^2+6x+3
x=3/2 (0, 3)
400
Solve the quadratics by factoring: 3x^2 + 2x = 8
x = -2 x = 4/3
400
Use the Quadratic Formula to solve: (1/2)x^2 +6x - 27 =0
x = -6-3√ 10 x =-6+3√ 10
400
When you find the axis of symmetry is the answer a coordinate pair, a point or an equation of a line?
equation of a line
500
Find the vertex of y=-2x^2+6x+3. Is the vertex a min or max?
vertex: (3/2, 15/2) or (1.5, 7.5) max
500
Solve by Factoring: x^2-7x=0
x=0 x=7
500
Solve using the quadratic formula: 3x​^2​​+6x=10
x = (−6+√​−84)​​​​​​​/6 x = (−6-√​−84)​​​​​​​/6
500
Solve by graphing: -x^2 = 4
x = -2 x= 2