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.
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.
Question 7
7.
Find the slope and y-intercept of the linear equation.
Question 8
8.
Graph the linear equation from #7.
Question 9
9.
Find the slope of the linear equation.
Question 10
10.
Find the y-intercept of the linear equation.
Question 11
11.
Graph the linear equation from #9.
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)
Question 13
13.
Interpret the meaning of the x-intercept from problem #11.
Question 14
14.
Interpret the meaning of the y-intercept from problem #11.
Question 15
15.
Solve the system.
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.)
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.
Question 18
18.
Write an equation of the line in slope-intercept form for a line passing through (-1, 3) and (-4, 5).
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).
Question 20
20.
What is the slope of a line perpendicular to the line 3x + y = 2
Question 21
21.
Simplify the expression.
Question 22
22.
Simplify the expression.
Question 23
23.
Simplify the expression. (Use the ^ followed by the number to denote an exponent.)
Question 24
24.
Simplify the expression. (Use the ^ followed by the number to denote an exponent.)
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.)
Question 26
26.
Write your answer as a simplified radical.
Question 27
27.
Factor the polynomial.
Question 28
28.
Factor the polynomial. (Use the ^ followed by the number to denote an exponent.)
Question 29
29.
Solve by factoring:
Question 30
30.
Simplify:
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?
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
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
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
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.
Question 36
36.
Write the word sentence as an inequality. (Write greater than or equal to as >= & less than or equal to as <=)