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
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
When the flags were at the same height in the flag activity on desmos how is that represented on the graph?
Where the two lines intersect
What is the value of Algebra?
Various, but you must support your answer