Polynomials
(4x3 + 6x2 – 6) – (3x3 – 2x2 + 7x + 3)
What is x3 + 8x2 – 7x – 9 ?
Find two square roots of 0.64.
What is + 0.8 or –0.8?
Solve.
x2 + 10x = –21
What is x = –7 or –3?
Simplify.
6x4 / 18x2
What is x2 / 3 ?
Simplify
(4x / 7) – (3x / 14)
What is 5x / 14 ?
Simplify
(3x – 7)(5x + 2)
What is 15x2 – 29x – 14?
Find two square roots of 121/196.
What is + 11/14 or –11/14?
Solve
2x2 – 7x – 9 = 0
What is x = 4.5 or –1 ?
Simplify.
(x2 – 5x) / (5x – 25)
What is x / 5 ?
In the function y = 0.5x, this change (increase or decrease) happens to the range (or output) as the domain increases.
What is decreases?
If x=2, y =0.25.
If x=3, y = .125
Simplify
(5x + 2)(5x –2)
What is 25x2 – 4 ?
2x2 + 8 = 4
What is no solution?
Solve.
x2 + 25 = 0
What is no real solution?
Simplify.
(x2 – 9) / (x3 – 3x2)
What is (x + 3) / x2 ?
(x5 / x–2 )–3
What is 1 / x21 ?
Factor
9x2 + 24x + 16
What is (3x + 4)2 ?
Solve using the quadratic formula.
x2 – 15x – 54 = 0
What is x = –3 or 18?
Solve using a method of your choice.
4x2 – 4x = 15
What is x = 2.5 or –1.5 ?
Simplify.
(8x2 / 3) / (20x / 9)
What is 6x / 5 ?
(4x2 – 5x)(2y + 6y2)
What is 8x2y + 24x2y2 –10xy – 30y2x ?
Factor
x2 – 3x – 40
What is (x + 5)(x – 8)?
Solve using the quadratic formula.
4x2 – 3x + 6 = 0
What is no real solutions?
Solve using a method of your choice.
4x2 = x + 3
What is x = 1 or –0.75?
(4x3 / 10) * (25/16x2)
What is 5x/8 ?
The graph y = –5x2 + 3 has these three differences from the graph y = x2.
What are opening down, being more narrow, and having a vertex three units above the origin?