4(x + 9)
4x + 36
Fully Simplify by combining like terms:
4x + 6 + x
5x + 6
x – 7 = -10
x = -3
Turn into an algebraic equation:
16 is the product of a number and two
16 = 2x
What is 15% of 10?
x = .15 • 10
x = 1.5
5(x – 2)
5x – 10
Fully simplify by combining like terms:
4 + x + 5x – 2
6x + 2
x – 2.3 = – 15.4
x = –13.1
12 is two more than the product of a number and eight
12 = 8x + 2
15 is what percent of 80?
18.75%
15/80= .1875 = 18.75%
–3(x + 4)
–3x – 12
Fully simplify by combining like terms:
3x – 5 – 4x
–x – 5
5x = –1
(Write answer as a fraction)
x = –1/5
Double Jeopardy!
Write down how many points you would like to wager
See whiteboard for answer
What is the percent increase from 45 to 50?
(Round to a tenth of a percent)
11.1% increase
–6(2x – 5)
–12x + 30
Fully simplify by combining like terms:
x + 2x – 3x
0
7x – 9 = 0
(Write answer as a fraction)
x = 9/7
To join a gym costs 25 dollars a month plus a 40 dollar initiation fee. If you have 500 dollars, write an algebraic equation to figure out how many months you could enroll.
25x + 40 = 500
12 is 24% of what number?
12 = .24x
x = 50
x(3 – 9)
–6x
Double Jeopardy! [perimeter]
Write how many points you would like to wager.
Whiteboard for answer
[proportion] see whiteboard
see whiteboard
Shelly is 9 inches taller than her friend Paulina. Combined they are 111 inches tall. Write an equation to figure out how tall they both are.
2x + 9 = 111
what is 50% of 25% of 40?
5