Download 02-13-17 modeling with systems

Bell work 02-13-17
1. Solve the system using
substitution.
𝑦 = 3𝑥 + 1
3𝑥 + 2𝑦 = 11
2. Solve using elimination.
2𝑥 − 6𝑦 = −4
4𝑥 + 6𝑦 = 10
3. Create the equation of the
line that has a slope of 5 and
passes through the point (1,3).
4. Convert the equation from
question 3 into standard form.
A shopper purchased 8 T-Shirts and 5
pairs of pants for $220. The next day,
he purchased 5 T-shirts and 1 pair of
pants for $112. How much does each
T-shirt and each pair of pants cost?
1. Define the two variables
2. Write the system
3. Solve the system
John went to the store and bought apples and
bananas. The apples were $3 each and the
bananas were $4 each. If john spent $29 and
got 8 pieces of fruit, how many apples and how
many bananas did he buy?
(Define your variables first!)
A test has twenty questions worth 100 points. The test
consists of True/False questions worth 3 points each
and multiple choice questions worth 11 points
each. How many multiple choice questions are on the
test?