Adding and Subtracting Real Numbers
-12.36-(-9.8)
-2.56
18*-4.88
-87.84
7x2-3y2+8y2-3y2
7x2+2y2
Convert 35,600 yards into inches.
1,281,600 inches
Density
A measure of how much matter is in a certain volume.
95+2.29
97.29
-2.46*-9.8
24.108
8x+12-9x-8
4-x
Convert 468 feet into yards
156 yards
Unit Rate
A ratio of units.
3.1-7.3
-4.2
7/3*3/7
1
2xy2+7y-7x-(3xy2-4y-4x)
2xy2+49xy3(3xy2-4y)
90 cm into inches
35.4331 inches.
Absolute Value
Distance from zero.
-18-7.64
-25.64
8/3*8/6
32/9
42x+3y-7-2(2x+3y-7)
14x-39y+91
If 0.45kg=1 pound, how many ounces would 65kg be?
2292.81 ounces
Constant
A number on it's own.
8.99-7.3
1.69
-7.77*4.2
-32.634
8(x-14)
8x-112
If 2.54cm=1 inch, how many cm is 233 feet?
7101.84 cm
Like Terms
Same variables and their exponents.