All Things Quadratic
What are the zeroes? y=(x+2)(x-1)
x=-2 and x=1
What Sport does Mr. Stewart coach?
Wrestling
v2+2v-8=0
x= 2, -4
Solve by using the Quadratic Formula
3x2+9x-2=0
Leave in exact form.
x=(-9+-sqrt(105))/6
Solve the Quadratics by Factoring
x2 + 2x - 3 = 0
x = -3, 1
y=2x2-4x+5 What is the Axis of Symmetry?
x=1
What High School did Mr. Stewart attend?
Yelm High School
4(x+1)2=16
x = 1, -3
Solve by using the Quadratic Formula
2x2-9x-5=0
x = 5 , -1/2
Solve the Quadratics by Factoring
x2 - 10x + 16 = 0
x = 2, 8
What is the vertex of a quadratic?
The high or low point on the parabola. The turn around point. Where the axis of symmetry occurs.
How old is Mr. Stewart?
26
x2+2x-24=0
x = -6, 4
Solve by using the Quadratic Formula
6x2-7x+6=0
No solution. Cannot square root negative number.
Solve the Quadratics by Factoring
6n2-n=0
x= 0, 1/6
What is the y-intercept? y=x2+2
(0,2)
Guess the number I am thinking of
67
4x2-1x+19=0
No solution. You cannot square root negative number.
Solve by using the Quadratic Formula
2x2+2=-5
No Solution. Cannot square root a negative number.
Solve the Quadratics by Factoring
x2-5x+6=0
x = 2, 3
What is the vertex for
y = x2 - 6x + 8
Axis of Symmetry: x = -b/2a
x = 3
Vertex: (3,-1)
What are Mr. Stewart's 2 favorite sports?
Wrestling and Soccer
x2-11x+19=-5
x = 3, 8
Solve by using the Quadratic Formula
2x2+11x+ 9=0
x = -1, -9/2
Solve the Quadratics by Factoring
4x2 - 31x - 8 = 0
-1/4 and 8