Solving Equations
Solve for the unknown variable 2x + 8 = -22.
x = -15
Is the following a function?
{(3, 9), (4, 9), (1, 0), (-2, 4)}
YES
Find the slope in the equation y = -3x - 4
m = -3
Find the y-intercept in y = -x + 5.
b = 5
What type of slope do parallel lines have?
Equal / Same Slopes
Solve for the unknown variable -3(x+2) - 5 = 4
x = -29
If f(x) = -3x - 9, what is f(-2)?
f(-2)=-3
Determine the slope of the line
2x + 4y = 9
m=-1/2
Miles works out everyday by running. He stretches for 10 minutes, and then runs x number of miles at a rate of 7 minutes per mile. Write an equation that represents how long his workout is after running x number of miles.
y = 7x +10
What is the slope of the line perpendicular to
y = 3/5x-4
m=-5/3
Solve for the unknown variable 2x - 8 + x = 10 + 3x
NO SOLUTION
If f(x) = -3x - 9, solve for x if f(x)=6
x=-5
Determine the slope between the points;
(-3, 10) and (5, -2)
m=-3/2
Find the y - intercept of 4x - 3y = 12
(0, -4)
Fina the slopes of the two equations and determine if they are parallel, perpendicular, or neither:
2x-4y=8
x+2y=4
m=1/2
m=-1/2
Neither
Solve for the unknown variable
5 - (x - 3) = 2x - 4 + x
x = 3
Solve for x,
-2(x - 3) - 2 < 8
x > -2
What is the equation of the line that goes through the point (0,7) and has a slope of -3?
y = -3x +7
It costs $10 to rent a pair of bowling shoes, plus $3 per game you bowl. Write an equation that represents the cost to bowl x number of games.
y = 3x + 10
Write an equation parallel to
y=4
y = (any number that isn't 4)
Cole and his four friends each bought a toy. They bought lunch and spent a total of $29 and left a $5 tip. They started out with $64 total and now come home with no money. How much did each toy cost?
$6.00
Write a compound inequality to represent the following statement
"x is greater than or equal to -2 and less than 10"
-2 < x < 10
What is the equation of the line that goes through the points (2, 5) and (-1, -1)
y = 2x + 1
What is the point slope formula?
y - y1 = m(x - x1)
Write the equation of the line that is perpendicular to
y=-2/3x+4
and goes through the point (8,-2)
y=3/2x-14