Cami opened a bank account that does not earn interest with $500. She deposits $20 per week. After how many weeks will Cami have $800 in his bank account?
Question 4
4.
Determine if the following relation is a function and explain why or why not.
Question 5
5.
State the domain and range.
What is the domain? _______ < x < _______
What is the range? _______ < y < _______
Question 6
6.
A line includes the points (-2, 2) and (1, 8).
a. Calculate the slope of the line. Slope = _______
b. Find the y-intercept of the line. y - int = _______
c. Write the equation of the line in slope-intercept form. Equation = _______
Question 7
7.
Question 8
8.
Cell phone company A charges $150 for a phone plus a $30 monthly fee. Cell phone company B gives a free phone and charges $60 per month. Create equations for each company.
Company A: _______
Company B: _______
Hint: You are not solving, just building the equations
Question 9
9.
Solve the system. Hint: Substitution
y = -2x + 4
3x + 2y = 7
Question 10
10.
A group of 10 people went to dinner. The dinner costs $8 for adults and $5 for children, and the group paid a total of $53. How many adults and how many children were in the group?