Positive & Negative
-1+1=
0
1/2 + 1/2 =
1
Solve for x.
x + 3 = 2
x = -1
2x + 2 = 4
x = 1
What is the tax?
A $10 bill with 10% tax.
tax = $1.00
A number plus its inverse will always equal _______.
zero
Simplify: 5/25
1/5
Solve for x.
x - 10 = 12
x = 22
3x - 3 = 9
x = 4
What is the tip?
A $20 haircut with 15% tip.
tip = $3.00
-11 x -6
66
Fractions are just another way of writing _______.
division
4x = 12
x = 3
x/2 + 3 = 10
x = 14
What is the discount?
A $300 tv with a 20% discount.
discount = $60.00
-354/3
1/2 x 1/2
1/4
x/5 = -3
x = -15
x/4 - 5 = 6
x = 44
What is the TOTAL?
A $40 with 5% tax.
tax = $2.00
total = $42.00
(+) x (-) = ?
(+) x (+) = ?
(-) x (-) = ?
-
+
+
What is the largest fraction?
1/2
3/4
5/5
5/5
The goal in solving an equation is to _________ the variable.
Isolate
3(x + 2) = 9
x = 1
What is the TOTAL?
A $500 game console is 30% off.
discount = $150.00
total = $350.00