Quadratic Formula
In the formula below, what is a?
(-5 + sqrt((-5)^2 - 4(9)(6))) divided by 2(9)
9
Find the discriminant if a=1, b=2, c=3
-8
What two numbers multiply to 25 but add to 10?
5 and 5
How many terms does a monomial have?
1
When dividing polynomials, what is the goal?
Get rid of the denominator
In the formula below, what is b?
-(-8)+sqrt((-8)^2 - 4(10)(12)) divided by 2(10)
-8
If the discriminant is positive, how many and what type of solutions does the quadratic have?
2 real solutions
What is the GCF of:
12x^3 - 18x^2 + 22x
2x
Divide the following:
(6x^3 - 12x^2) divided by 6x^2
x - 2
When should you factor to divide polynomials?
When the denominator has two terms
What is c in the equation below?
-7 + sqrt((7)^2 - 4(13)(17)) divided by 2(13)
17
If the discriminant is negative, how many and what type of solutions does the quadratic have?
2 complex solutions
Factor the following:
2x^2 + 12x + 10
2(x+1)(x+5)
Divide the following:
2x^4 + 16x^3 - 10x^2 divided by 2x
x^3 + 8x^2 - 5x
(x^2 + x - 2) divided by (x - 1)
x+2
What is the quadratic formula?
Negative b plus or minus the square root of b^2 - 4ac all divided by 2a
If the discriminant is zero, how many and what type of solutions does the quadratic have?
1 real solution
Factor the following:
3x^2 - 10x + 8
(3x - 4)(x -2)
Divide the following:
18x^6 - 12x^5 + 120x divided by 6x^2
3x^4 - 2x^3 +20/x
Divide the following:
4x^2 + 52x + 120 divided by (m + 3)
4(m+10)
What part of the quadratic formula is the discriminant?
The radicand
What is the formula for the discriminant?
b^2-4ac
Factor the following:
16x^2 - 144
(4x + 12)(4x - 12) or 16(x + 3)(x -3)
Divide the following:
121x^7 + 33x^5 - 16x^2 divided by 3x^3
(121x^4)/3 + 11x^2 - 16/(3x)
Divide the following:
3x^2 - 16x - 12 divided by (x-6)
3x+2