1/2 + 1/2 =
2/2
9 + x < 20
9 + x < 20
-9 -9
x < 11
What is a variable?
an alphabetic letter that represents and unknown value, number, or quanitity
5x - 2 = 43
5x - 2 = 43
+ 2 + 2
5x = 45
--- ----
5 5 x = 9
55 - 32 =
23
8/9 x 8/10 =
84/90
2x < 38
2x < 38
--- ---
2 2
x < 19
What does inverse mean?
opposite or reverse
x/2 - 5 = 20
x/2 - 5 = 20
+ 5 + 5
x/2 = 25
*2 *2
x = 50
90 x 3 =
270
5/4 x 7/9 =
35/36
x/10 < 100
x/10 < 100
*10 *10
x<1000
What is a product the answer to?
multiplication
5x + 10 = 40
5x + 10 = 40
- 10 -10
5x = 30
--- ---
x = 6
In which quadrant are all the numbers positive?
A) Quadrant l (1)
B) Quadrant ll (2)
C) Quadrant lll (3)
D) Quadrant lV (4)
A) Quadrant l (1)
5/7 divided by 4/8 =
5/7 / 4/8 = 5/7 x 8/4 = 40/28
x - 12 > 36
x - 12 > 36
+ 12 + 12
x > 28
What is a translation?
A) When an object slides to a different location on a plane
B) When an object flips over a line or an axis
C) When an object moves around a point
When an object slides to a different location on a plane.
20 - 4x = 40
20 - 4x = 40
-20 - 20
-4x = 20
--- ---
-4 -4 x = -5
Quadrant ll (2)
34/55 divided by 22/57 =
34/55 times 57/22 = 1938/1210
- 5j > 55
- 5j > 55
--- ---
- 5 - 5
j < - 11
What is quotient the answer to?
division
27 - 50x = 77
27 - 50x = 77
-27 -27
-50x = 50
----- -----
-50 -50 x = -1
Which axis is vertical?
the y-axis