Misc
Chapter 6
Chapter 7
Chapter 8
Chapter 5
100
Simplify:
(3g² – g) + (3g² – 8g + 4)
6g2-9g+4
100
(x0y2)3
y6
100
Factor completely:
16x2 – 36
(4x-6)(4x+6)
100
What is the slope of equation:
y=-x-1
m=-1
200
Simplify:
(3 × 102)(1.5 × 10-5)
4.4 x 10-3
200
What is the product of
(-3y + 1) and (4y2 – y – 7)?
-12y3+7y2+20y-7
200
Which function has a higher y-intercept?
f(x)=x2
g(x)=x2+4
g(x)=x2+4
200
Solve the system of linear equations
x + 4y = 6
x – y = 1
(2,1)
300
Solve:
12x3-18x2-8x+12
2(3x2-2)(2x-3)
300
What is the axis of symmetry of the function:
y = 2x2 – 8x + 8
x=2
300
You spend $20 total on tubes of paint and disposable brushes for an art project. Tubes of paint cost $4.00 each and paintbrushes cost $0.50 each. You purchase twice as many brushes as tubes of paint. How many brushes and tubes of paint do you purchase?
8 brushes, 4 tubes of paint
400
25y8/4x4
400
Write a polynomial to describe the perimeter.
(4x-60) ft
400
Name the vertex of the function
y = x2 – 8x + 15
(4,-1)
500
x3+(2x2/x-1)
3x3
500
The front of a storage bunker can be modeled by y = – 5/216(x – 72)(x + 72), where x and y are measured in inches. The x-axis represents the ground. Find the width of the bunker at ground level.
144 inches
500
Solve for x using the quadratic equation :
x2+ 2x =15
x=3 and x=-5
500
Your dog is 16 years old in dog years. Your cat is 28 years old in cat years. For every human year, your dog ages by 7 dog years and your cat ages by 4 cat years. In how many human years will both pets be the same age in their respective types of years?
4 years