Show:
Roots and Cubes
Graphing
Factoring
Quadratic Formula
Mystery
100
Simplify: √(x^4 )
x^2
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
Simplify: ∛27
3
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
Simplify: √9/8
(3√2)/4
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
Simplify: ∛250
5∛2
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
Simplify: √((80x^5y^3)/2)
2yx^2 √(10xy)
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