Describe a correlation of -0.9 in terms of strength (weak, moderate, or strong and positive or negative)
What is a strong, negative correlation?
100
Find the x and y intercept for the given linear equation 3x+5y=15
What is x int=5
y int=3 ?
100
In slope-intercept form, the equation of the line that has a slope of -5 and a y-intercept of 14.
What is y=-5x+14 ?
100
Write an equation to represent this problem situation. Use s for sweaters p for pants.
Beth has $200 to spend at the shopping mall. She decides to buy sweaters and pants with her money. Sweaters cost $20 each and pants cost $30 each.
What is 20s+30p=200 ?
100
Solve the formula V = LWH for H
What is H= V/LW ?
200
the steps in the calculator for finding linear regression in a calculator
What is enter the x values to L1 and the y values to L2, then hit stat-calculate-4, then hit enter 5 times, then look for the r
200
Find the x and y intercept for the given linear equation 2x+8y=16
What is x int=8
y int=2 ?
200
The form of the equation shown below: y=-4x+2
What is slope intercept form?
200
If Beth buys 2 sweaters, what is the greatest number of pants she can buy?
What is 5?
200
The formula for the area of a triangle is A= 1/2bh. Solve the equation for b
What is b= 2A/h ?
300
linear regression for these two lists
L1= 2, 3, 4, 5, 9
L2= 30, 40, 70, 80, 100
What is .92?
300
Find the x and y intercept for the given linear equation 5x+10y=40
What is x int=8
y int=4 ?
300
3x + 12y = 24 in slope intercept form
What is -3/12x + 2 ?
300
Put y= -3/5x + 2 into standard form
What is 3x + 5y =10
300
The formula for converting Fahrenheit to Celsius for temperature is
C=5/9(F-32)
how many degrees in Celsius is 75 degrees Fahrenheit?
What is 23.9?
400
In the lists for finding linear regression, does every x value have to have a y value partner?
What is yes?
400
you make this a zero to find the y intercept
What is x?
400
9x + 5y = 35 in slope intercept form
What is y = -9/5 x + 7 ?
400
you can have a fraction when using standard form
true or false
What is false?
400
The formula for distance is D=RT
Solve for R
What is R=D/T?
500
In linear regression, you can't use the same x more than once in L1 in order for it to be a function
What is true?
500
you make this a zero to find the x intercept
What is y?
500
8x + 7y = 40 in slope intercept form
What is y = -8/7 x + 5.7 ?
500
you use this math to get rid of the fraction while using standard form
What is multiplying all terms by the denominator of A?
500
Using the last formula.. if Angie drives 140 miles in 2 hours, what is her rate?
D=RT