simplify
Kasey can mow the lawn five minutes faster than Trisha. If Kasey mows the lawn in k minutes, write an expression for how long it takes Trisha to mow the lawn.
What is k-5.
Find the x- and the y-intercepts of 5y-3x=15.
x-intercept: -5
y-intercept: 3
The solution to the system:
y=0.5x+2
-y=3-x
What is (10,7).
Describe the graph of the solution to inequality 4 < x ?
What is an open circle at -4, pointing left.
The perimeter of a rectangle is 50 inches. If the length is 10 inches, what is the width?
What is 15 inches
Evaluate 5x+4(3-x) for x=2.
What is 14.
The equation of the line perpendicular to y=1/2x+4 that passes through (2,3)
What is y-2=-2(x-2)
or y=-2x+6
The number of solutions the system has:
-y=-4-3x
6x=2y-8
What is Infinitely Many Solutions.
Solve 1/3x + 3/5<2/15
What is x<-7/5 (x<-1 2/5)
Jake’s band is putting on a concert. He has to sell at least 175 tickets in order to rent an auditorium. The auditorium he booked can hold 325 people. If he has already sold 145 tickets, how many more tickets t should he sell?
What is
30<=t<=180
Solve 4x-3+8=1-2x-2
What is x=-1.
The shape of graph of a linear function.
What is a line.
The three ways to solve a system of linear functions.
What are; estimate the point of intersection by graphing the lines,
Substitution
Combination/Elimination
Describe the the graph -5>x.
Vertical dashed line at x=-5, shaded to the left.
The function for the following:
Stewart gets $32 for his birthday. He invests it at a rate of 4$ a year compounded quarterly.
What is the compound interest formula.
A=P(1+r/n)^nt