Algebra
What does x equal?
11-x=5
6
How do you calculate the area of a rectangle?
Length x Width
What is 3/8 + 4/8?
The coordinates for point A is (4,5)
Which number represents the x axis?
The first number, 4
How do you calculate an average?
1. Sum all the numbers together
2. Divide by the amount of numbers you added.
Ex: (1+2+3)/3
Simplify this expression:
2x + 3 + 7x - 4
9x-1
What is the sum of all three of a triangle's internal angles?
180o
What is 2/5 + 1/3?
11/15
What is the basic formula for slope?
y=mx+b
What is the median of the following number set?
3, 4, 9, 1, 8, 2, 8
4
What does x equal?
5x+30=55
5
The Pythagorean theorem!
a2+b2=c2
What is 1/2 - 4/5
-3/10
Which quadrant would the point (5, -10) be in?
Quadrant 4
What is the mode of this number set?
12, 5, 9, 18, 22, 25, 5
12
Simplify this expression:
2x2+14-1x-5+3x2+12x
5x2+11x+9
How do you calculate the circumference of a circle?
2(pi)(radius) OR (pi)(diameter)
What is the reciprocol of 2⅓?
7/3
What is the slope of these two points?
(5,7) (0, 15)
-⅝ or -0.625
What is the likelihood that two flipped coins will both land on heads?
1 in 4
25%
Expand this expression:
(3x-7)2
9x2-42x+49
To move a 2D shape without rotating, reflecting, or resizing it.
What is 4/5 ÷ 3/7?
Don't forget to simplify!
1¹³⁄₁₅
If you were to reflect the point (6,3) over the x-axis, what would stay the same?
6
The point would become (6,-3)
What is the interquartile range of this number set?
52, 74, 61, 88, 45, 79, 93, 67, 70
27