What do you type in the calculator to solve a system of linear equations?
Menu, 3, 2
what does "b" represent in the formula "y=mx+b"?
y-intercept
2x+4=5x-2
x=2
x2+5x+6=0
(-3,-2)
what is a y- intercept?
Where the line ccrossses on the y axis
what is the value of y?
(0,18)
what is the slope of this table?
x=5
3x-7=5x-1
x=-3
x2+-2x-8=0
(-2,4)
What are the zeros on this graph?
(-4,0) and (2,0)
(2,2)
what is the rate of change?
x=-1.333
2x+4(2x+7)=3(2x+4)
x=-4
y2+4y-12=0
(-6,2)
y=43(0.25)x
what is the y intercept?
(0,43)
A business rents cars for $150 a day and vans for $300 a day. One day, it rented a total of 30 vehicles , and made $5700. Write a system of equations that represent this situation.
x+y=30
150x+300y=5700
What is the slope?
m=3x
c-20=4-3c
x=6
y2-6y=27
(-3,9)
what are the zeros?
(-1,0) and (3,0)
Two car rental agencies have different charges. At Rent a Car you pay $50 plus $.75 per mile. At Ace Rentals you pay $35 plus $1.50 per mile. How many miles do you drive for the two agencies to cost the same?
(20,0)
What is the slope?
m=-3
3(3x-8)-5(-3x-8)=4(x-2)-6(x-2)
x=3
w2+2w=8
(-4,2)
what is the y intercept?
(0,4)