Simplest Equations
Solve for x
x + 2 = 5
x = 3
Solve for k
2 ( k + 2 ) = 6
k = 1
Solve for w
w / 2 = 4
w = 8
Let f(x) = 2x
What is f(1)?
f(1) = 2
Rewrite the equation 2y-1=5x-5 in slope-intercept form (y=mx+b), then identify the y-intercept.
The y - intercept is -2
Solve for z
5 = 3z - 1
z = 2
Solve for x
4(x - 3) = -4
x = 2
Solve for x
(2/3) * x = 2
x = 3
Let g(x) = 4x+3
What is g(3)
g(3) = 15
Rewrite the equation 2y-1=5x-5 in slope-intercept form (y=mx+b) , then identify the slope.
The slope is 5/2
Solve for t
t - 3 = 9 - 3t
t = 3
Solve for t
- (3 - t) + 8 = 1
t = - 4
Solve for t
t / 2 = (8 - t) / 2
t = 4
Let h(x) =x2 + 4
What is h(3)
h(3) = 13
A phone company offers a data plan where the monthly cost is $40 plus $5 for every gigabyte of data used. Let C(g) represent the total cost (in dollars) for using g gigabytes of data in a month. Write the function C(g)
C(g) = 40 + 5g
Solve for p
5p - 14 = 8p + 4
p = -6
Solve for n
- 4(-3n - 8) = 10n + 20
n = -6
Solve for k
(6k + 4) / 2 = 2k - 11
k = - 13
Let f(x) = 3x2 - 2x + 4
What is f(-2)?
f(-2) = 20
A phone company offers a data plan where the monthly cost is $40 plus $5 for every gigabyte of data used. What is the total cost if you use 6 gigabytes of data?
$70
Solve for w
4w + 3 - 2w = - 15 - w - 3
w = - 7
Solve for x
4(2x + 3) - 5 = 3(3x - 1) + 1
x = 9
Solve for x
(x / 4) + (2 / 3) = (5 / 12)
x = - 1
Let h(x) = 2x + 4x3 + 3x + 1
What is h(-1)?
h(-1) = - 5.5
A phone company offers a data plan where the monthly cost is $40 plus $5 for every gigabyte of data used. If your total bill is $65, how many gigabytes of data did you use?
5 gigabytes of data