Factoring
p2 - 2p - 15 = 0
5, -3
Simplify i8
1
m2 − 5m − 14 = 0
7, −2
f(x) = x2 + 4 when x = 3
f(3) = 13
What are zeros/roots/x-intercepts?
Where the function crosses the x-axis
3v2 + 7v - 40 = 0
8/3, -5
Simplify i15
-i
x2 − 4x + 5 = 0
2 + i, 2 - i
f(x) = 3x2 - x + 4 when x = 1
f(1) = - 2
In this function what is the absolute maximum and minimum?
Max: DNE
Min: (0,1)
3x2 - 11x - 4 = 0
-1/3, 4
What is the square root of -9?
3i
x2 + 4x + 7 = 0
-2 + i/3
-2 - i/3
g(t) = -2t2 - t +3 when t = 5
g(5) = - 52
What is the absolute maximum and minimum of this function?
Max: (-4,-1)
Min: DNE
7r2 + 49r + 84 = 0
-4, -3
Simplify i33
i
x2 + 2x + 5 = 0
-1 + 2i
-1 - 2i
h(x) = -x2 - 3x - 1 when x = - 3
What is the interval of INCREASING for this function?
(-inf, -4)
9n2 + 39n = -36
-4/3, -3
What is the square root of -19
i root 19
x2 - 6x + 25 = 0
3 + 4i
3 - 4i
f(x) = 1 - 9x - x2 when x = - 10
f(-10) = - 9
The zeros, domain, range, and end behavior of this function
Zeros: DNE
Domain: (-inf, inf)
Range: (-inf, -1]
End Behavior:
as x approaches infinity, f(x) approaches negative infinity.
as x approaches negative infinity, f(x) approaches negative infinity.