Set up a system of equationsand solve to find your answer.
Carrie spent $80 on her fall party. The pumpkin muffins cost $4 each and the ghost cookies cost $2 each. If she bought a total of 25 desserts, how many ghost cookies did she buy?
Question 11
11.
Evaluate.
Question 12
12.
Write the domain in interval notation for the graph.
Question 13
13.
Write the range in interval notation for the graph.
Question 14
14.
Solve the inequality and graph the solution on the number line.
Question 15
15.
Solve the inequality and graph the solution on the number line.
Question 16
16.
Solve.
List your answers with a comma in between, no spaces.
Question 17
17.
Write the equation of the line y=mx+b that passes through the points (1,7) and (-3,-1).
No work = no credit!
Question 18
18.
Solve.
What is the domain and range for the graph below?
Domain: y ≥ 3; Range: all real numbers
Domain: y ≤ 1; Range: all real numbers
Domain: all real numbers; Range: y ≥ 3
Domain: all real numbers; Range: y ≤ 3
Which statement accurately describes f(7)=220?
After 220 minutes the hikers were 7 ft above the canyon floor.
After 7 minutes the hikers were 220 ft above the canyon floor.
Select ALL mistakes that Paul made when graphing the system of inequalities.