Substitution
What is the value of x and y
x+y= 100
2x+4y= 50
(175, -75)
The value of x and y is
-4x+6y= 24
2x+3y=0
(-3,2)
Alex is home from college for Christmas. He took his family out to the movies. There was a total of 10 tickets and the total cost was $80. The price of an adult ticket was $10 and for a kid ticket was $5.
*Find how many adult and kid tickets were bought.
X= 6 adult tickets
Y= 4 kid tickets
Find where the lines intersect
(1,1)
Find the value of x and y
x=4y-11
12x-15y=0
(5,4)
-8x+3y=21
-10x+5y=25
Find the value of x and y
(-3,-1)
Morgan went to a local store to get some food items for Thanksgiving Dinner. She spent a total of $45. There was a total of 12 food items. Morgan bought ham and packaged dinner rolls. The price of a ham is $12 and the price of the packaged dinner rolls is $3.
*Find how many hams and rolls Morgan bought
X= 1 ham
Y= 11 packaged dinner rolls
Graph the two equations the find where they intersect
y=3x
y=7x+4
(-1,-3)
y=3x+15
9x+7y= 75
What is the value of x and y
(-1,12)
2x+5y=15
4x-5y=15
Find the value of x and y
(5,1)
Christina is home for Thanksgiving from College. She took her family to the movies. There was a total of 10 tickets bought and the total cost was $80. The price for a kid ticket is $5 and for an adult ticket is $10.
*Find how many kid and adult tickets were bought.
X= 5 kid Tickets
Y= 5 Adult Tickets
graph the two equations and find where they intersect
y=x
y=3x+2
(-1,-1)
x=8y+14
16x-9y= 95
Find the value of x and y. Round to the nearest whole number
(6,-1)
Find the value of x and y
7x+8y=9
4x+6y=8
(-1,2)
Cooper went to the store to get food items for Christmas. He spent a total of $260 and there was a total 34 food items. He got turkeys and trays of cookies. The cost of turkey was $11 and the trays of cookies was $5.
*Find how many trays of cookies and turkeys Cooper bought.
X= 15 trays of cookies
Y= 19 turkeys
Find where the lines intersect
(-0.5,-5)
y=18x-56
15x+4y=37
Find what x & y equal
(3,-2)
Find the equation of x and y
-2x-2y=4
2x-y=8
(2,-4)
Graph and find where these two equations intersect
y=-4x
y=2x+12
(-2,8)