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Graphing
Substitution Part 1
Substitution Part 2
Substitution Part 3
Word Problems
100
Solve each Systems by Graphing. y= -7/4x +3 y= -7/4x -3
What is No Solution?
100
y = -3x - 17 y = 3x + 1
What is (-3,-8)?
100
y = 3x - 19 3x - 6 y = -6
What is (8, 5)
100
y = -2 2x - 7 y = 2
What is (-6, -2)
100
Sarawong and Kali are selling cheesecakes for a school fundraiser. Sarawong sold 4 pecan cheesecakes and 6 strawberry cheesecakes for a total of $72. Kali sold 2 pecan cheesecakes and 6 strawberry cheesecakes for a total of $60. Write a systems of equations for the cheesecakes.
What is 4x+6y= 72 and 2x+6y= 60
200
Solve by Graphing. 5x +2y= -6 x+2y=2
What is (-2,2)
200
y = -6x - 18 y = -4x - 10
What is (-4, 6)
200
y = -2x + 2 -7x - 2 y = -10
What is (2, -2)
200
-x + 5 y = 15 7x + y = 3
What is (0, 3)
200
A boat traveled 140 miles downstream and back. The trip downstream took 7 hours. The trip back took 14 hours. What is the speed of the boat in still water? What is the speed of the current?
What is boat: 15 mph, current: 5 mph
300
Solve by graphing. 2x-y= -1 x+y= -2
What is (-1,-1)
300
y = 6x + 22 y = -5x - 22
What is (-4, -2)
300
y = 2x - 1 -3x - 4 y = 15
What is (-1, -3)
300
-3x - 2 y = -11 9x + 6 y = 33
What is Infinite number of solutions
300
Julia and Stephanie each improved their yards by planting hostas and ornamental grass. Julia spent $92 on 8 hostas and 4 bunches of ornamental grass. Stephanie spent $72 on 6 hostas and 4 bunches of ornamental grass. Write a systems of equations and solve.
What is 8x+4y= 92 and 6x+4y=72 hosta: $10, bunch of ornamental grass: $3
400
Solve by graphing. -5x-12= -3y -4= y+x
What is (-3,-1)
400
y = 5x - 7 y = -5x + 23
What is (3, 8)
400
y = 4x - 11 3x - y = 8
What is (3, 1)
400
-4x + 5 y = 10 -x - 7 y = -14
What is (0, 2)
400
Jacob and Sarawong each improved their yards by planting grass sod and geraniums. Jacob spent $52 on 5 ft² of grass sod and 7 geraniums. Sarawong spent $46 on 2 ft² of grass sod and 7 geraniums. Write and Solve the systems of equations.
What is 5x+7y= 52 and 2x+7y= 46 ft² of grass sod: $2, geranium: $6
500
Solve by graphing. 6= 3y-x -5x= -6-3y
What is (3,3)
500
y = -3x - 22 y = 2x + 8
What is (-6, -4)
500
-5x - 7 y = -17 y = x + 11
What is (-5, 6)
500
2x + 3 y = 17 -8x + 5 y = -17
What is (4, 3)
500
The sum of the digits of a certain two-digit number is 11. When you reverse its digits you increase the number by 9. What is the number?
What is 56?