Solve by Graphing
y=3x+4
y=-3x-2
(-1,1)
y=3x+11
-4x-6y=0
(-3, 2)
-x-3y=-3
4x+3y=-15
(-6, 3)
Solve by factoring: n2-4=0
Convert into slope intercept form:
-x+y=5
y=x+5
y=-8x+4
y=-x-3
(1, -4)
y=-6
8x+8y=-8
(5, -6)
-3x-2y=-15
3x+y=18
(7, -3)
Solve by factoring: n2+7n+12=0
n=-4, -3
Find the slope between the points.
(3, 5) and (8, 9)
4/5
y=-5x-2
y=-x+2
(3, 1)
y=2x+4
7x+4y=-14
(-2, 0)
-7x-8y=20
2x-8y=-16
(-4, 1)
Solve by factoring: p2+p-4=-4
p=-1, 0
Write the slope intercept form if the line has a slope of 2 and a y-intercept of 5
y=2x+5
5x+3y=3
x+3y=-9
(3, -4)
x-3y=-7
-x-3y=7
(-7, 0)
2x+7y=4
6x+7y=12
(2, 0)
Solve using quadratic formula:
2n2+5n-20=0
n=2.15, -4.65
Dan and Ryan each improved their yards by planting rose bushes and ivy. They bought their supplies from the same store. Dan spent $100 on 5 rose bushes and 14 pots of ivy. Ryan spent $16 on 1 rose bush and 2 pots of ivy. Find the cost of one rose bush and one pot of ivy.
Rose bush: $6
Ivy: $5
x+y=-3
x+y=2
No solution
2x+4y=-10
x-y=7
(3, -4)
x+2y=6
-11x+4y=-14
(2, 2)
Solve using the quadratic formula:
5x2+3=0
No solution
The school that Sara goes to is selling tickets to a spring musical. On the first day of ticket sales the school sold 8 senior citizen tickets and 10 student tickets for a total of $174. The school took in $207 on the second day by selling 4 senior tickets and 13 student tickets. What is the price of each ticket?
Senior: $3
Student: $15