Solve
Functions
Slope-Intercept Form
System of Equations
Random
100
3y + 20 = 3 + 2y
What is y = -17?
100
Is the relation a function? {(14, 15), (5,7), (3,10), (11,1), (5,8)}
What is no?
100
Write the equation in slope-intercept form. What are the slope and y-intercept? -8x + 3y = -10
What is y = (8/3)x - 10/3; slope = 8/3; y-intercept: (0,-10/3)?
100
Solve the system by substitution. {-2x - y = -14 {3x - y = 11
What is (5,4)?
100
2 x 2 =
What is 4?
200
2 + 2k ≤ 8
What is k ≤ 3?
200
What is the output of the given input? For f(x) = -5x + 1, find f(3)?
What is f(3) = -14?
200
Write the equation in slope-intercept form. What are the slope and y-intercept? -4x + y = -2
What is y = 4x -2; slope = 4/1; y-intercept: (0,-2)?
200
Solve the system using elimination. {-4x + 4y = -8 {x - 4y = -7
What is (5,3)?
200
What is today's date?
What is October 12, 2012?
300
5x + 10 ≥ 10 and 7x - 7 ≤ 14
What is x ≥ 0 and x ≤ 3?
300
Determine whether y varies directly with x. If so find the constant of variation k and write the equation. {(6,24), (18,72), (54, 216), (162, 648)}
What is yes; k = 4; y = 4x?
300
Write an equation of the line in point-slope form, that passes through the two given points. (-10,18), (6, -14)
What is y - 18 = -2(x +10)?
300
Solve the system by substitution. {-4x + 5y = 0 {3x -y = -11
What is (-5, -4)?
300
What are the intercepts of the equation? -6x - 3y = 18
What is (-3, 0) and (0,6)?
400
|4x + 1| = -3
What is x = -1 or x = 1/2?
400
Determine whether y varies directly with x. If so, find the constant of variation k. -6y = -5x
What is yes; k = 5/6?
400
What are the intercepts of the equation? -4x - 6y = 24
What is x-intercept: (-6,0); y-intercept: (0, -4)?
400
Solve the system using elimination. {x - 5y = 7 {x - 2y = 1
What is (-3, -2)?
400
What is the equation of the line in slope-intercept form? the line parallel to y = - 2x + 2 through (2,6 )
What is y = -2x + 10?
500
|2x + 3| ≥ 19
What is x ≤ -11 or x ≥ 8?
500
Find the value of y for a given value of x, if y directly varies with x. If y= 52 when x = 260, what is y when x = 90?
What is y = 18?
500
What is the equation of the line in slope-intercept form? the line parallel to y = -7x -2 through (-4, 6)
What is y =-7x - 22?
500
Solve the system of substitution. {2x - y + z = -4 {z = 5 {-2x + 3y - z = -10
What is (-8, -7, 5)?
500
Solve the system. {x - 2y - z = -4 { z = -9 { 2x + y + 2z = -11
What is (3, 1, -9)?