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Week 10 Homework
By Jennifer Flessati
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Last updated almost 6 years ago
15 questions
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Question 1
1.
Multiply and combine like terms to determine the product of these polynomials:
2x^2(4x - 7xy + 5)(3y - 2)
(Enter your answer with ^ to show exponents, and no spaces. Ex: 4x^2 "four x squared")
Question 2
2.
Choose the correct equation and points from the list below. (Remember: no spaces in your answer.)
1x+3y=10
x+y=10
10x+y=10
3x+y=10
(0,4)(1,2)(3,2)(4,1)
(1,4)(2,3)(6,2)(5,1)
(2,4)(3,1)(5,2)(0,3)
(1,3)(4,2)(7,1)(10,0)
Question 3
3.
Factor: x^2-9x+8
Question 4
4.
2b^2+18b
2b^2(b+9)
2b(b+18)
b(b+9)
2b(b+8)
2b(b+9)
Question 5
5.
The factor of x^2-3x-54 is (x-6)(x+9)
True
False
Question 6
6.
Factor: 7d+49
Question 7
7.
Which of the following are factors for x^2-x-30?
(x+6)(x-5)
(x-3)(x-10)
(x-5)(x-6)
(x+5)(x-6)
(x-6)(x+5)
(x-30)(x+1)
Question 8
8.
Solve the following system of equations using elimination:
3x+y=15
x+2y=10
Question 9
9.
Solve The following system by graphing:
Identify the coordinate point for your answer.
Question 10
10.
Graph the following inequality. What type of line (solid or broken) will you use, and which side of the line (left or right) will you shade?
3x-2y<10
(Answer with one of each option seperated by a comma: ___________________,____________________)
Question 11
11.
Identify which of the following points are solutions to the systems of equations:
(Submit your answer as coordinate points, i.e. (-3,2) and so on...)
(2,0)
(-1,1)
(-1,-1)
(0,2)
(-2,2)
(0,-1)
(1,4)
Question 12
12.
Choose the correct equation and answer.
7.50x
≤ 200
7.50x < 200
x ≥ 200
x ≥ 26 hours
x
≤ 27 hours
x
≥ 27 hours
750x
≥ 200
7.50x
≥ 200
Question 13
13.
Simplify using the FOIL method:
(x - 4)(x + 4)
Use no spaces in your answer. Use the "^" to show exponents. Ex: x^2+3 "x squared plus three"
Question 14
14.
Simplify using the FOIL method:
(z + 7)(z - 4)
Question 15
15.
Simplify using the FOIL method. (Hint: solve the (x - 6)^2 first.)
Use the "^" to show exponents, and use no spaces in your answer.