Math test paper with multiple algebra problems and solutions.

-1 unit along the x-axis and 3 units along the y-axis.
a = 2
Maximum value: 2, at x = 1
Minimum value: -2, at x = -1
Range: -2 ≤ y ≤ 2
k < 9/8
-1/2 ≤ x ≤ 4
x < -2 or 1/2 < x < 3
x < -3 or x > 2
0 ≤ x < 2, x > 3
Maximum value: f(1) = -1
Minimum value: f(5) = -2√2 + 1
x = -2
-1/2 ≤ x < 4
1/2
1/8
1/16
Maximum value: f(0) = -1
Minimum value: f(2) = -9
x = -1
x = 2, 1
x > 3/2