Solving For X
-12n - 19 = 77
n = -8
What does the b stand for in this equation?
Y - intercept
What does the slope of the line represent?
Rise / Run
Solve for r
d = rt
r = d/t
Joan sold half of her comic books and then bought 8 more. She now has 12. How many did she begin with ?
8 comic books
u/5 + 6 = 2
u = -20
What is the slope of the line going through the point ( -5, 4) and has a slope of -3?
y = -3x - 11
What is the equation to find the slope?
y2-y1/x2-x1
Solve for x
mx + 4y = 3t
x = 3t - 4y/m
On Monday, 414 students went on a trip to the zoo. All 8 buses were filled and 6 students had to travel in cars. How many students were in each bus ?
51 students
(r+13)/12 = 1
r = -1
What is the slope of the line that goes through the point (1, -5) and has a slope of -3/2?
y = -3/2x - 7/2
Find the slope between these two points:
(6, 3) (7, -4)
m = -7
Solve for x
2p = kx - t
x = 2p + t/k
Jason bought a soft drink for 2 dollars and 9 candy bars. He spent a total of 20 dollars. How much did each candy bar cost ?
2 dollars
(3k -7)/5 = 16
k = 29
What is the equation of a line that goes through the following two points: (-2, -3) (4, 5)?
y = 4/3x - 1/3
Find the slope of the line between these two points:
(12, 10) (12, 5)
Undefined
Solve for x
rx + 9/5 = h
x - 5h - 9/r
Sam bought 7 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 44 cards left. How many cards did Sam start with ?
81 cards
5x - 3 = 13 - 3x
x = 2
The cost for 7 dance lessons is $82. The cost for 11 lessons is $122. Write a linear equation to find the total cost C for l lessons.
C = 10l + 12
Find the slope of the line between these two points:
(7/3, 4/3) (-1/3, 2/3)
m = 1/4
Solve for l
3l + y = 5 + 5l
l = y - 5 / 2
The sum of three consecutive numbers is 87. What is the smallest of the three numbers ?
28