Solving trinomials a =1
Factor and solve the trinomial:
0 = x2+8x+12
0 = (x+6)(x+2)
x = -6 and -2
Factor and solve : 2c2 - 14c - 36 = 0
2 (c - 9)(c + 2) = 0
c = -2 and 9
What is the vertex for the parabola of:
y = (x - 4)(x - 6)
Vertex: (5, -1)
Solve: 3x - 7 = 11
x=6
Factor and solve the trinomial:
0 = m2 - 11m + 18
0 = (m-9)(m-2)
m = 9 and 2
Factor and solve: 4x2 + 32x + 64 = 0
4 (x + 4) (x + 4) = 0
x = -4 (twice)
What is the vertex for the parabola of:
y = (x - 1)(x - 5)
Vertex: (3, -4)
Solve: 2x + 8 = 5x - 7
x=5
Factor and solve the trinomial:
y = x2 + 5x - 24
0 = (x+8)(x-3)
x = -8 and 3
Factor and solve: 6x2 - 11x + 4 = 0
(3x - 4)(2x - 1) = 0
x = 4/3 and 1/2
What is the vertex for the parabola of:
y = -(x + 2)(x + 6)
Vertex: (-4, 4)
Determine the product of (4x + 4)(5x - 5).
20x2 - 20
Factor and solve the trinomial:
y = z2 - 6z - 7
0 = (z - 7)(z + 1)
z = -1 and 7
Factor and solve: y = 5t2 + 12t - 9
0 = (t + 3)(5t - 3)
t = -3 and 3/5
What is the vertex for the parabola of:
y = -(x - 5)(x - 9)
Vertex: (7, 4)
Determine the product of (3x + 4)(2x + 5).
6x2+23x+20
Factor and solve the trinomial:
y = x2 - 13x - 30
0 = (x+2)(x-15)
x = -2 and 15
Factor and solve: y = 10x2 + 24x +8
0 = 2 (5x+2) (x+2)
x = -2/5 and -2
What is the vertex for the parabola of:
y = (x + 2)(x - 8)
Vertex: (5, -21)
Determine the product of (x - 4)(4x + 7).
4x2 - 9x - 28