Signed Decimals
-3.5 + 2.8
-0.7
1/2 + (-3/4)
-1/4
0.5 + 1/4
0.75
6 + (-2)(3)
0
A number that can be written as a ratio of two integers is called this.
a rational number
-4.6 - 3.9
-8.5
-5/6 - 1/3
-1 1/6
1/2 - 0.8
-0.3
(-8) ÷ 2 + 5
1
Rational or irrational: √5
irrational
(-2.4)(3)
-7.2
(-2/3)(3/5)
-2/5
(2/5)(-1.5)
-0.6
3 - 2(1/2 - 1)
4
Which one is irrational: 0.333..., -4/7, √9, or π?
π
-7.2 ÷ 0.9
-8
3/4 ÷ (-2/3)
-1 1/8
3/8 ÷ 0.25
1.5
(-3)^2 - 4(1.5)
3
Evaluate 4a^2 b when a = -1/2, b = 2/3
2/3
5.6 - (-3.75)
9.35
2 1/3 - (-1 1/2)
3 5/6
3/4 - (-1.25)
2
1/2 + (2/3) ÷ (-1/6)
-3 1/2
Evaluate (m - n)^2 - mn when m = 1/2, n = -3/2
4 3/4