Bank Account
Mike's bank account had $1,260 at the start of the year. He withdraws $180 a month, x. Write a linear equation to represent the situation.
y=-180x+1260
An Uber driver charges a base fee of $3 plus an additional $0.50 per mile, x. Write a linear equation to represent the situation.
y=.50x+3
What does > mean?
Greater than
Solve for x:
3x - 8 = 13
x = 7
Janet deposits $80 a month, x, into her savings account. Write a linear equation if Janet started with $540 in her account
y = 80x+540
An Uber driver charges a base fee of $0.70 plus an additional $0.85 per mile, x. Write a linear equation to represent the situation.
y=.85x+0.70
What does < mean?
less than or equal to
Which property is displayed below?
2(x - 3) --> 2x - 6
distributive property
At the end of March, David's bank account had $7,325. He withdrew $50 a month, x, to pay for his gym membership. Write a liner equation to represent David's account balance.
y = -50x + 7325
An Uber driver charges an initial fee plus a certain amount per mile. The equation below represents a particular Uber drivers rate:
y = 0.65x + 3.25
Explain what the slope and y-intercept mean in the context of the problem.
slope: $0.65 per mile
y-intercept: initial fee of $3.25
When solving a linear inequality, if we multiply or divide by a negative, what must we remember to do?
Flip the inequality sign
What is the square root of 144?
12
Karen decided to lease a new car. She has a total of $7,830 in her savings account. She makes no deposits but withdraws $350 per month, x, for payments. How much money will she have left in her account after one year? Write a linear equation and SHOW ALL WORK!
$3,630
An Uber driver charges an initial fee of $2.50, plus $0.25 per mile, x. Write a linear equation to determine the cost for 4 miles.
$3.50
y > 2x - 8
describe in FULL detail, how to graph the linear inequality above.
start at -8 on the y-axis
use the slope up 2 right 1
dashed line
test point (0, 0) shade above
Given an example of an IRRATIONAL number
answer may vary...
Quinton started the year with with $5,300 in his bank account. Every month, x, he deposits $400. Write a linear equation to determine how many months will it take for Quinton's bank account to reach $53,400
10 months
An Uber driver charges an initial fee of $3.25 and $0.75 per mile, x. If Lisa has $8.00 on her Uber account, can she afford a 6 mile ride?
Yes, it will cost $7.75
y < 3
describe in FULL detail, how to graph the linear inequality above.
horizontal line through 3
solid line
test point (0, 0) shade below
When graphing the point:
(-3, 5)
which quadrant does the point lie in?
Quadrant II