Word
A car accelerates to 30 mph in 180 feet.
1 mph for every 6 feet
6x-5=-20
-5/2 or -2.50
2x = 24
12
How does positive slope look left to right?
Low on the left, high on the right
What is an equation?
Something with an equal sign in it
3 bags of rice cost $6.75 and 5 bags of rice cost $11.25.
$2.25 per bag of rice
If the formula is y=2/3x + 7. What is the rate of change and how would you move it on the graph?
For every 2 up on the Y axis, you go 3 right on the X axis.
3x + 5 = 14
3
What does zero slope look like?
Flat on the X axis
Can an equation be false?
Yes
A swimming pool has 200 gallons of water and then 8 minutes later it has 360 gallons of water.
20 gallons of water per minute
What is the rate of change for y=-2x + 7, and how would you move it on the graph?
For every 2 you go down on the Y axis, you go 1 to the right on the X axis. Or for every 2 you go up on the Y axis you go left one on the X axis.
12x - 7 = 5
1
Is negative slope uphill or downhill?
Downhill
Write an expression
Various, must have a variable, numbers, and a math operation
Janice has typed 32 words. 2 minutes later she has typed 68 total words.
18 words per minute
What does ROC mean?
Rate of change.
3x + 5 = 7
2/3
If slope is 2/3, what does the 2 represent?
Movement on the Y axis or Rise
What is the value of math?
Various, but you must support your answer
An employee earns $28.50 after 3 hours and $237.50 after 25 hours.
$9.50 per hour
If I am traveling to school and my first 5 minutes I travel at 5 miles, but my next 10 minutes I travel at 10 miles. What is my rate of change?
It is the same 1 mile per minute
2/3x = 9
13.5
If slope is 2/3, what does the 3 represent?
Movement of the X axis or Run
What is the value of Algebra?
Various, but you must support your answer