Adding/Subtracting Real Numbers
6 + 3= ?
9
5 * 3 = ?
15
x= 2, y= 4
Evaluate x + y
6
√16
4
What is the formula for the area of a rectangle?
A = length * width
-6 + -3 = ?
-9
-5 * 3 = ?
-15
x= -2, y=3
Evaluate |x| * y
6
-√ 25
-5
A square has a side length of 3 in. What is the perimeter?
12 in.
-6 + 3 = ?
-3
-5 * -1/3 = ?
5/3
x= -1, y = 2
(x/2) - y
-2.5
± √36
±6
A rectangle has a length of 6 cm and a width of 4 cm. What is the area?
24 cm^2
-12 - (-3) = ?
-9
1/3 * 1/5 = ?
1/15
x=2, y= -4
-|x| - y
2
2√ 4
4
Find the area of a rectangle with a length of 4 and a width of 2-2x.
8-8x
1.1 - 2.2 = ?
-1.1
- 3 / - (1/5)
15
x= -3, y= 4
-x - (1/y)
2.75
√19
4.36
Find the perimeter of a rectangle with a length of 2 and a width of x-2.
2x