Parallel and Perpendicular
what is an equation of a line that passes through (2,3) and has a slope of 4?
y=a(b)2
What is the equation for exponential functions?
y= a(b)x
What is the domain and range of this function?
Domain: {-2,-1,0,1,2}
Range: {-2,-1,0,1,2}
A gym charges a $50 activation fee and $20 per month. You have at most $210 to spend. Create an inequality that models this.
20x + 50 ≤ 210
Solve the system of equations:
No solution
Find the slope of a line perpendicular to 3y=6x-4
m=-1/2
Does the equation below represent exponential growth or exponential decay?
y=0.5x
decay
Which is an example of a function? Why?
C
A streaming service charges $30 to sign up abd $12 per month. You want to spend less than $150 total. Create an inequality modeling this.
12x + 30 ≤ 150
Solve the system of equations:
(16,12)
Convert the equation to slope-intercept form
-4y + 3x + 10 = 2
y= 3/4x + 2
In the equation below, what is the initial value?
y=2000(1+0.4)x
2000
Write the following in terms of h:
h=2A/b
Solve the inequality for x:
x≤6
Solve the system of equations: a=x, s=y
(4,26)
Write the equation of a line parallel to y = 7x + 6 that passes through (4,-2)
y= 7x - 30
Write the equation for the following:
After Halloween you have 5000 jelly beans (it was a good day), each day you eat 15%. How many jelly beans will you have after x days?
5000(0.85)x
Solve for f(3):
35
Solve the inequality for x:
x>8
Popcorn costs $6 and drinks cost $4. You buy 18 items for $92. Solve the system of equations.
(10,8)
Write the equation of a line perpendicular to y = 2x + 6 that passes through (4,-2)
y= -1/2x
Solve for the following:
After Halloween you have 5000 jelly beans (it was a good day), each day you eat 15%. How many jelly beans will you have after 10 days?
984
A music streaming service charges a $40 sign-up fee and $10 per month. If the total cost is $110, how many months did you use the service?
x=7
A delivery driver earns $0.75 per mile plus a $45 flat fee. The company will not pay more that $210 total.
220 miles
Solve the system of equations.
2x + 8y = 6
-5x - 20y = -15
Infinite solutions