Factoring
Factor: x2 + 5x + 6
What is (x + 2)(x + 3)?
y-intercept of
f(x) = (x - 2)(x + 3)
What is (0, -6)?
Degree of
f(x) = 4x3 - 2x2 + 7
What is 3?
Simplify: √-16
What is 4i?
End behavior of
f(x) = x2 as x → infinity
What is y → infinity (up)?
Factor: x2 - 9
What is (x - 3)(x + 3)?
x-intercepts of
f(x) = (x - 5)(x + 1)
What are
(5, 0) and (-1, 0)?
Degree of
f(x) = (x - 1)(x + 2)(x - 4)
What is 3?
Value of i2
What is -1?
End behavior of
f(x) = x3 as x → negative infinity
What is y → negative infinity (down)?
Factor: x2 - 7x + 12
What is (x - 3)(x - 4)?
y-intercept of
f(x) = 2(x + 2)(x - 3)
What is (0, -12)?
Degree of
f(x) = 5x2(x - 3)3
What is 5?
Simplify:
(3 + 2i) + (5 - 7i)
What is 8 - 5i?
End behaviors of
f(x) = - x4 as x → + or - infinity
What is y → negative infinity (down)?
Factor: 2x2 + 7x + 3
What is (2x + 1)(x + 3)?
x-intercepts of
f(x) = -3x(x - 4)(2x + 1)
What are
(0,0), (4,0), (-1⁄2, 0)?
Degree of
f(x) = -2x3(x + 1)2(x - 2)
What is 6?
Simplify: i13
What is i?
End behavior of an odd degree polynomial with a negative lead coefficient
What is left y → infinity (up left)
and right y → negative infinity (down right)?
Factor: 3x2 - 10x - 8
What is (3x + 2)(x - 4)?
y-intercept of
f(x) = - 2(x - 2)2(x + 1)
What is (0, -8)?
Degree of
f(x) = (2x2 + 1)3(x - 5)
What is 7?
Simplify:
(2 + 3i)(1 - 4i)
What is 14 - 5i?
Describes the end behavior of
f(x) = 5x4 + 3x3 - 1
What is left y → infinity (up left),
right y →negative infinity (up right)?