Vertex, axis of symmetry and min/max value of:
y=-x2
Vertex: (0,0)
Axis of Symmetry: x=0
Maximum: 0
Solutions of:
x2+2x-3=0
(-3,1)
n2-8=31
Plus or minus the square root of 39.
x2+12x+11=0
x=-1 or -11
Find the value of the discriminant:
6p2-2p-3=0
76
Vertex, axis of symmetry, and min/max value of:
2x2
Vertex: (0,0)
Axis of Symmetry: x=0
Minimum: 0
n2-2n-3=-4
n=1
2r2=104
Plus or minus 2 times the square root of 13.
n2+12n-28=0
x=2 or -14
Find the value of the discriminant:
-4m2-4m+5=0
96
Vertex, axis of symmetry, and min/max value of:
y=(-3/4)x2+9x-31
Vertex: (6,-4)
Axis of Symmetry: x=6
Max: -4
5r2=-80+50r
x=8,2
5b2+5=-25
Plus or minus i times the square root of 6
r2+2r-77=3
r=8 or -10
Find the value of the discriminant and then state the number of real or irrational solutions:
9n2-3n-8=-10
-63; two imaginary solutions
Vertex, axis of symmetry, and min/max value of:
y=(1/2)x2+5x+37
Vertex: (-5,6)
Axis of Symmetry: x=-5
Min: 6
p2=5p+14
x=-2,7
2r2+7=97
Plus or minus 3 times the square root of 5
x2-6x-67=5
x=12 or -6
Find the value of the discriminant and then state the number of real or imaginary solutions:
9m2+6m+6=5
0; one real solution
Vertex, axis of symmetry, and min/max value of:
y=6x2-36x+45
Vertex: (3,-9)
Axis of Symmetry: x=3
Min: -9
30m2-35m=25
x=(5/3),-(1/2)
36m2+10=206
Plus or minus (7/3)
-25+3x=-3x2-7
x=2 or -3
Find the value of the discriminant and then state the number of real or imaginary solutions:
-9b2=-8b+8
-224; two imaginary solutions