What is the point of intersection on this graph.
(3,4)
Solve the following system by using Elimination
-2x + 4y = -4
2x + 3y = 18
(6,2)
Solve by using substitution
2x - 3y = -28
y = -2x -4
(-5,6)
Does the point (5, -8) fall in the solution set to the system of inequalities.
x > 2
y < -7
Yes!
5 > 2
-8 < -7
Mrs. Coleman is picking fruit from a tree so that she can sell them. She sells apples for $2 and pears for $7 and made a total of $20. If she sold 5 fruit, how many of each did she sell?
3 apples and 2 pears
The equations y = -3x + 2 and y = 2x -7 are graphed. What is the solution to the system?
(1, -5)
Solve the following system by using Elimination
x + 3y = 9
-2x +5y =26
(-3,4)
Solve by Substitution
x + y = 19
y = 2x -11
(10,9)
Graph the following inequalities from the handout I give you.
On Paper
Mr. Skellington goes to the market to buy pounds of chicken and pounds of pork. One day he bought 4 pounds of chicken and 7 pounds of pork and spent $80. The next day he bought 2 pounds of chicken and 3 pounds of pork and spent $36. How much did the chicken and pork cost?
Chicken was $6 a pound.
Pork was $8 a pound.
What are the solutions to the following system.
{-1,1}
Solve the following by elimination
3x - 4y= 6
4x - 3y = 15
(6,3)
4x - 2y = 22
x = 2y + 1
(7,3)
Graph on Handout
Handout
A daycare took their children to an amusement park where there were a total of 20 people going. A children ticket cost $2.50 and an adult ticket cost $4.50. How many children and how many adults went?
16 children
4 adults
Solve the following system by graphing
y = 3x - 4
y = x - 8
(-2,-1)
Solve the following system by setting them equal to each other
y = -2x - 12
y = 3x + 23
(-7,2)