Write an inequality for the graph below.
x > 2
Rewrite the equation solved for h.
A = bh
h=A/b
3x - 17 = -5x + 23
x = 5
What is the slope of a line that goes through the points (-3, 5) and (1, -7)?
Does the following relation represent a function? Why or why not?
No. The input -2 has two different outputs.
2(-5 - 3m) > -28
m < 3
Rewrite the equation solved for y
x + 2y = 3
y=(3-x)/2
12(2k + 11) = 12(2k + 12)
No solution.
y = 5/3x - 3
What value(s) of x make the equation true?
|7+x|=5
-2 and -12
You go to the post office to mail a package and a few letters. Stamps cost $0.49 each. The package will cost $7.65. You only have $10. Write an inequality to represent this situation. What is the maximum number of letters you can send?
7.65 + 0.49s < 10; you can send 4 letters max.
Rewrite the equation solved for z.
x = y/z
z=y/x
3(x - 6) = 9(x - 2) - 6x
Infinitely Many Solutions
What is the equation on the line below in standard form.
2x+3y=15
Below is a scatter plot comparing the amount of ice cream sales to the number of sunglasses sold. Describe the correlation. Then write if the correlation implies causation.
There is positive correlation. However, there is no causation because buying sunglasses does not cause you to also buy ice cream.
4(2x-11) < -12+2(x-4)
x<4
Rewrite the equation solved for w.
r = (w + t)/q
w=rq-t
−11 + 10( p + 10) = 4 − 5(2p + 11)
p = -7
You open a savings account with $2100. The bank offers you an annual simple interest rate of 6%. What is the account worth in 3 years?
$2478
Is the below a function? Is it linear or nonlinear? Is it continuous or discrete?
Yes it's a function. It is nonlinear. It is discrete.
-2 < 3m - 5 < 7
1 < m < 4
Rewrite the equation solved for d.
V=1/3pid
d=(3V)/pi
Lenny makes $55,000 and gets a raise of $2,500 every year. Karl makes $62,000, and raises of $2,000 every year. How many years will it take for Lenny and Karl to make the same salary?
14 Years
Write the equation of a line that passes through the point (-4, 2) and is perpendicular to the line
y=-1/2x+6
y=2x+10
Write an equation for the graph below.
y= abs(x+3)-2