Proportions and Percents
80% of 20 is ____?
16
For the function x2 + 5x + 4, what is the axis of symmetry equation?
x=-5/2
a2 + 2a + 1
(a+1)(a+1) = (a+1)2
(x+2)(x+3)
x2+5x+6
What is the GCF of
12a + 4b ?
4
_____% of 40 is 30
75
What is the vertex point for the function x2 + 6x + 6.
(-3,-3)
x2 - 9x + 14
(x - 7)(x - 2)
(x-7)(x+2)
x2-5x-14
What is the gcf of
(9x + 6x2)?
3x
1 is 2% of _____
50
What are the solutions for the equation
2x2 - 10x - 12 = 0? Use the quadratic formula.
x = 6 and x = -1
x2 + 12x + 20
(x + 10) (x + 2)
(2x+4)(x-8)
2x2-12x-32
Factor the GCF out: 7m4 -14m2 + 49m5
7m2 (2m2 - 2 + 7m3)
Regular price of shoes is $100. They are on sale for 27% off.What is the final sale price of the shoes?
$73
What are the solutions for the equation
2x2 + 5x + 3 = 0? Use the quadratic formula.
x = -3/2 and x = -1
3p2 + 10p - 8
(3p - 2) (p + 4)
(x-4)2
x2-8x+16
Factor the GCF out: 10xy3 - 15x2y4 + 30y
5y(2xy2 - 3x2y3 + 6)
Store A is selling a video for 20% off the stores regular price of $25.95. Store B is selling the same video for 30% off the stores regular price of $29.50. Which stores sales price is lower?
Store B
How many solutions does the quadratic function have?x2 - 7x + 13
12x2 + 17x + 6
(4x+3)(3x+2)
(x - 3)(x2 +4x + 6)
x3 + x2 -6x - 18
Factor the GCF out:
12b3c4d7 - 24bc3d4 + 48b5c8d9
12bc3d4 (b2cd3 - 2 + 4b4c5d5)