Rational Numbers
What is 75% as a decimal?
What is 32.5% as a decimal?
0.75
0.325
What method do we use to solve equations and inequalities?
The BOO Method.
What is slope-intercept form?
y=mx+b
True or False.
All rectangles are squares.
False
Simplify the following expression when w=-2 and r=5:
-3w-r2+wr
-29
What is the absolute value of -0.82?
0.82
Solve the following equation:
2x-7 = 3
x=5
1) What is the formula we use to find the slope from two points?
2) Slope is always ______ over ______.
1) m= (y2-y1)/(x2-x1)
2) Rise over run.
Fill in the blank. (Always, sometimes, or never)
Parallelograms are ________ squares.
Sometimes
There are 420 students at Virginia Middle School. The ratio of girls to boys is 4 to 3. Exactly how many more girls are there than boys at Virginia Middle School?
60
What is 4/7 as a decimal? (Round to the nearest hundredths place.)
0.57
Solve the following inequality:
3x-1< -25
x < -8
What is the slope in the equation:
y=x+3?
1
Donnie wanted to build a rectangular sandbox with a lid. He wanted to build the sandbox with a length of 5 feet, width of 3 feet, and height of 2 feet, how much wood does he need?
62 feet squared
What is the difference between theoretical and experimental probability?
Theoretical probability is what we expect to happen and experimental probability is what actually happens during an experiment.
Write the following numbers in order from least to greatest:
0.2, 4/15, 0.21, 1/4
0.2, 0.21, 1/4, 4/15
Solve the following inequality:
-13x+1< -25
x > 2
What is the slope of a line with the points (-3, -11) and (-2, -8) ?
3
What is the volume of a rectangular prism with a length of 2 in, width of 4 in, height of 38 in?
304 inches cubed.
Draw an example of positive, negative, undefined and zero slope.
(look at boards)
What is the square root of 361?
What is the square root of 289?
What is 15 squared?
What is the square root of 121?
19
17
225
11
Solve the following inequality:
-11-x> -7
Would the circle be open or closed on a graph?
Which way would the arrow point on the graph?
x < -4
Open
Left
What is the slope and the y-intercept of a line with the points (1,6) and (2,8)?
Slope: 2
Y-int: 4
What is the surface area of a rectangular prism with a length of 10 in, a width of 8 in, and a height of 4 in.
304 inches squared.
Mr. Thompson flipped a coin 50 times and the coin landed on tails 23 times. What is the theoretical probability of flipping tails when flipping a coin?
1/2