True or False: Does the ordered pair is a solution of the equation.
Question 7
7.
y=9x ; (4, 36)
Question 8
8.
y=3x-12 ; (7,16)
Question 9
9.
Write and graph an equation in two variables that shows the relationship between time and distance.
Question 10
10.
The length of Garden B is 3 more than the length of Garden A. Write an equation you can use to find the length l of Garden A.
Question 11
11.
Your bedroom ceiling is 10 feet high and is 2/3 as high as the living room ceiling. Write and solve an equation to find the height h of the living room ceiling.
Question 12
12.
You leave your house and walk for half an hour at a speed of 3 miles per hour. Then you run for 15 minutes at a speed of 7 miles per hour. You are now halfway to town. Write and solve an equation to find the distance from your house to town.