Direct Variation
If x = 4 and y = 36, find the value of y when x = 27
243
Find the common difference: 8, 3, -2, -7
-5
Find the slope of a line parallel to y = 2x +4
2
Find the slope of a line perpendicular to y = -1/3 x
3 or 3/1
Find the inverse of each relation (5, -4) (-3, -2) (-8, 7)
(-4, 5) (-2, -3) (7, -8)
If x = 12 and y = 3, find the value of y when x = 36
9
Find the common difference: -21, 9, 39, 69
30
Find the slope of a line parallel to 3x + 4y = −8
-3/4
Find the slope of a line perpendicular to x − 3y = −6
-3
Find the inverse of each relation (0, -5) (-6, -7) (-3, 1)
(-5, 0) (-7, -6) (1, -3)
72
Find the nth term (create a formula): 1, 3, 5, 7, 9
2n - 1
Find a line that passes through (4, −3) and is parallel to y = −2x
y = -2x + 5
Find a line that passes through (4, −3) and is perpendicular to −x + 2y = −6
y = -2x + 5
Find the inverse of the function f(x) = 6/5x - 3
5/6 (x + 3) or 5/6x + 15/6
If a pizza with a 6 inch radius cost $18.00, how much would a pizza with a 11 inch radius cost?
$33.00
Find the nth term (create a formula): 2, 6, 10, 14
4n - 2
Find a line that passes through (2, 3) and is parallel to y = 5/2x - 1
y = 5/2x - 2
Find a line that passes through (5, −1) and is perpendicular to −5x + 2y = 10
y = -2/5x + 1
Find the inverse of the function x + 5y = 12
-5x + 12
If a fox can cover 7 miles in 12 minutes, how long would it take him to cover 210 miles?
360 minutes
Find the 15th term of the arithmetic sequence: -3, 4, 11, 18
95
Find a line that passes through (-5, -4) and is parallel to y =3/5x - 2
y = 3/5x - 1
Find a line that passes through (−2, 5) and is perpendicular to −x + y = −2
y = -x + 3
Find the inverse of the function -4y - 3x = 15 + 2y
-2x - 5