Solve the following systems of equations using the method...
Transcript of Solve the following systems of equations using the method...
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Algebra 2 Trig Solving 2 x 2 Equations using no calc and using graphing calc.
1. Solve each system of equations by graphing on the coordinate plane below.
a. {
b. {
Solve the following systems of equations using the method of your choice, either substitution or
elimination.
2. 3.
2 1
3 2 3
y x
x y
4. 5.
3 5 6
4 2 5
x y
x y
4 3 16
2 3 8
x y
x y
x = y - 7
2y - 3x = 19
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For the following problems, set up a system of equations and solve algebraically.
Example: Let x = the number of boys, let y = the number of girls.
6.) Amy took a test that had a math section and an English section. She earned a total score of 88. Her
math score was 6 points higher than her English score. What were her scores on each section?
7.) A front row ticket to a concert costs four dollars less than two times a lawn ticket. Five lawn tickets
and two front row tickets cost $100. Find the cost of each type of ticket.