Quad Forms 1
y = x2 - 2x - 15
y = (x - 1)2 - 16
y = (x - 5)(x + 3)
Give the y-intercept (0, c).
The y-intercept is (0, -15)
y = -x2 - 10x - 21
y = -(x + 5)2 + 4
y = -(x + 7)(x + 3)
Give the y-intercept (0, c).
The y-intercept is (0, -21)
Solve by factoring: x2 + 8x + 12 = 0
The solutions are x = -6 and x = -2
Solve by factoring: x2 - 18x + 56 = 0
The solutions are x = 14 and x = 4.
y = x2 - 2x - 15
y = (x - 1)2 - 16
y = (x - 5)(x + 3)
Give the zeros/x-intercepts/solutions.
y = -x2 - 10x - 21
y = -(x + 5)2 + 4
y = -(x + 7)(x + 3)
Give the x-intercepts/zeros/solutions.
The solutions are x = -7 and x = -3.
Solve by factoring: 3x2 + 28x + 9 = 0
The solutions are x= -1/3 and x = -9.
Solve by factoring: 3x2 - 7x + 4 = 0
The solutions are x = 4/3 and x = 1
y = x2 - 2x - 15
y = (x - 1)2 - 16
y = (x - 5)(x + 3)
Give the vertex (h, k) and the axis of symmetry.
The vertex is (1, -16) and the axis of symmetry is x = 1.
y = -x2 - 10x - 21
y = -(x + 5)2 + 4
y = -(x + 7)(x + 3)
Give the vertex and the axis of symmetry.
The vertex is (-5, 4) and the axis of symmetry is x = -5.
Solve by factoring: 6x2 + 19x = -10
The solutions are x = -5/2 and x = -2/3
Solve by factoring: 15x2 -3x + 7 =5x + 6