Given that the mean on the SOL is 393 with a standard deviation of 8. If Laura's z-score is -2.125, will she get an expedited retake (aka - 375 or higher?)
Laura got an expedited retake and earned a 376.
100
The x values of function are called ________
domain
200
-4( 2 - x) = 24
x = 8
200
Write an equation parallel to y=3/4 x -3 and contains the point ( 0,5) - remember parallel lines have the same slope.
y = 3/4 x + 5
200
Describe the line x = 4
Undefined! Through the horizontal axis at 4.
200
Name ALL the quadrants that contain solutions to the inequality: y>2x-5.
Quadrant I, II, III
200
Paco went to the movies. He spent a total of $50.
He spent $10 on food and saw 8 movies.
What equation could be used to find the cost of each movie?
50=10+8x
300
4x + 3( x-2) = 5x - 20
x = -7
300
What is slope of equation 2x - 5y = 6
2/5
300
The test used to determine if a relation is a function.
Vertical line test
300
Graph y> -x+1 Where are any of the solutions found:
Quadrant I, II, III, or IV?
Quadrant I, II, IV
300
Graph the function y= -2(x-5)2 +6 Then describe the range
y<6
400
2x + 3 < -5x -4
x < -1
400
Which is an equation of the line containing the points (-1,5) and (3,9)?
y = x + 6
400
The steepness of the line. Rise over run
Slope
400
Solve the following inequality:
-2x - 4 > 3x + 6
x > -2,
-2 < x
400
The bath tub holds 50 gallons of water is draining at 1.5 gallons per minute and will be empty in approximately 33 minutes. Describe the domain.
0<x<50
500
3x = 5x - 8
x=4
500
A business purchases a computer for $2000. The value of the computer depreciates $400 per year. What linear equation gives the value y of the computer after x years?
y = 2000 - 400 x
500
The starting point of graphing a line.
y-intercept
500
Type A: The mean is 20 and the standard deviation is 5. Type B: The mean is 17 and the standard deviation is 6. Which of the following has a larger variation?
Type B because it has a larger standard deviation.
500
The bath tub holds 50 gallons of water is draining at 1.5 gallons per minutes and will be empty in approximately 33 minutes. If the x value is the number of minutes, describe the range.