One cell phone plan charges $20 per month plus $0.15 per minute used. A second cell phone plan charges $35 per month plus $0.10 per minute used. Write an equation to represent the number of minutes you talk for the cell phone plans to have equal costs.
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Question 6
6.
Solve the equation you created in #5 to find the number of minutes you must talk for the cell phone plans to have equal costs.
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Question 7
7.
Find the slope and y-intercept of the linear equation.
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Question 8
8.
Graph the linear equation from #7.
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Question 9
9.
Find the slope of the linear equation.
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Question 10
10.
Find the y-intercept of the linear equation.
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Question 11
11.
Graph the linear equation from #9.
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Question 12
12.
The equation 5x + 2y = 20 represents the cost for a family to attend a play where x is the number of adults and y is the number of children. Write the coordinates of the x-intercept and the y-intercept. (x,y)
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Question 13
13.
Interpret the meaning of the x-intercept from problem #11.
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Question 14
14.
Interpret the meaning of the y-intercept from problem #11.
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Question 15
15.
Solve the system.
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Question 16
16.
Create a system of equations to represent the situation:
T-shirts cost $12 each and pants cost $18 each. You buy 7 total pieces of clothing and you spead a total of $102. Create a system of equations to represent how many t-shirts "t" and pants "p" that you buy.
(Seperate the equations with a comma in your answer.)
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Question 17
17.
Solve the system of equations that you created in #14 to state how many t-shirts "t" and how many pants "p" you bought.
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Question 18
18.
Write an equation of the line in slope-intercept form for a line passing through (-1, 3) and (-4, 5).
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Question 19
19.
Write an equation of the line in slope-intercept form for a line with slope -2.5 and passing through (2, 1.5).
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Question 20
20.
What is the slope of a line perpendicular to the line 3x + y = 2
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Question 21
21.
Simplify the expression.
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Question 22
22.
Simplify the expression.
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Question 23
23.
Simplify the expression. (Use the ^ followed by the number to denote an exponent.)
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Question 24
24.
Simplify the expression. (Use the ^ followed by the number to denote an exponent.)
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Question 25
25.
A rectangle has a lenth of 2x + 3 and a width of x - 4. Find the area of the rectangle. (Use the ^ followed by the number to denote an exponent.)
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Question 26
26.
Write your answer as a simplified radical.
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Question 27
27.
Factor the polynomial.
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Question 28
28.
Factor the polynomial. (Use the ^ followed by the number to denote an exponent.)
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Question 29
29.
Solve by factoring:
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Question 30
30.
Simplify:
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Question 31
31.
A ladder is placed against the side of a house. The top of the ladder is 12 feet above the ground. The base of the ladder is 5 feet away from the house. What is the length of the ladder?
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Question 32
32.
The data represent the weights (in pounds) of dogs at a dog show. Find the mean.
8, 30, 37, 42, 50, 45, 35, 32, 40, 40, 55, 90
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Question 33
33.
The data represent the weights (in pounds) of dogs at a dog show. Find the median.
8, 30, 37, 42, 50, 45, 35, 32, 40, 40, 55, 90
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Question 34
34.
The data represent the weights (in pounds) of dogs at a dog show. Find the mode.
8, 30, 37, 42, 50, 45, 35, 32, 40, 40, 55, 90
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Question 35
35.
Write the word sentence as an inequality. (Write greater than or equal to as >= & less than or equal to as <=)
3 less than a number t is at most 7.
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Question 36
36.
Write the word sentence as an inequality. (Write greater than or equal to as >= & less than or equal to as <=)