Writing equations
Three times a number, divided by ten equals 15.
3n/10=15
What is the formula for the equation of a line?
y = mx+b
The graph of a nonlinear function shows a constant rate of change. True or False?
False
Ten less than the quotient of a number and two is zero.
n/2-10=0
What does the m stand for in y = mx +b?
Slope
What kind of rate of change does the graph of a linear function show?
Constant Rate of Change
Twelve more than the product of a number and two is thirty-six.
2n+12=36
What does the b stand for in y = mx + b?
y-intercept
Do these coordinates represent a linear or nonlinear equation? (1,1), (2,3), (3,5), (4,7)
Why or why not? If yes, what is the Constant Rate of Change
Linear Function
Constant rate of change is 2
If chocolate doughnuts cost $1.50 and chocolate chip muffins cost $2.25, how many of each can you purchase for $20. Use d for doughnuts and m for muffins
1.5d+2.25m=20
Write the equation of the line given the following points: (0, 1), (1, 3), (2, 5), (3, 7)
y = 2x + 1
Do these coordinates represent a linear or nonlinear equation? (2,3), (4,6), (6,9), (8,12)
Why or why not? If yes, what is the Constant Rate of Change
Linear Function
Constant rate of change 3/2
Express the area of a rectangle whose length is twice its width decreased by 6.
Use w for width and A for area
A=w(2w-6)
Write the equation of the line given the following points: (-2, 4), (-1, 3), (0, 2), (1, 1), (2, 0)
y = -x + 2
Do these coordinates represent a linear or nonlinear equation? (-2, 4), (-1, 3), (0, 1), (1, 1), (2, 0)
Why or why not? If yes, what is the Constant Rate of Change
Nonlinear