Vocab
What is another term for "Rate of Change"?
SLOPE
What is the slope of this equation?
y=90x+8
Slope = 90
Rewrite 2x+y=-2 in slope-intercept form
y=2x-2
Write an equation for this word problem
"A car starts 30 miles from a destination and drives at 60 mph."
y=60x+30
What is the biggest animal to ever exist?
The blue whale
What is a interval?
A range of input values used to compare how functions behave.
What is the slope of (7,9) (17,2)
Slope = -7/10
Identify the slope and y-intercept of the equation
y= 3/25x -8
Slope= 3/25
y-intercept= -8
A printing company charges a $220.50 set-up fee and $4.90 per book. Write an equation for the total cost (y) of producing (x) books.
y=4.9x +220.50
What is a group of pandas called?
An embarrassment
What are Functions?
Relationships that assign one output for every input.
What is the slope of (7,9) (2,5)
Slope = 4/5
Find the equation of a line with a slope of -2 that passes through the point (0,9).
y=-2x+9
"A cyclist is 15 miles from home and riding away at a speed of 12 miles per hour."
a. y=12x+15
b. 39 miles
What animal has the most teeth?
A snail
What is the word that describes this definition?
"The starting point of the function, or the output when the input is zero."
Initial Value, (y intercept)
What is the slope of (2.8, 5) (7, 5.9)
Slope = 1/7
Find the y-intercept
4x=3y-29
y-intercept= 29/3
a. Write an equation for the value (y) of the laptop after (x) years.
b. What is the value of the laptop after 4 years?
a. y= -150x +1500
b. $900
What animal has the highest blood pressure?
The giraffe
What word describes this definition?
"The independent variable, usually represented on a horizontal line."
Input
This is the equation of the line represented by the equation, 4x+2y=6
What is the slope?
Slope = -2
Find the rate of change
45y=5+15x
Rate of change= 1/3
What is a group of flamingos called?
A flamboyance