Show:
Integers and Rational numbers
Expressions and equations
Inequalities
Proportional relationship
Circles
100
-2
5 + (-7) = ?
100
terms: -2x, 6x, -5y, 7 like-terms: -2x and 6x coefficients: -2, 6, -5 constants: 7
Identify: terms, like-terms, coefficients, and constants. -2x + 6x + (-5y) + 7
100
x<3
simplify: 2x < 6
100
yes
Is the relationship proportional? x y 3 5 6 10 9 15 12 20
100
8 in
What is the radius of a circle if its diameter is 16 inches?
200
18
-3(-6) =?
200
terms: -x, -5b, -5x, -6b, -9 like-terms: -x and -5x; -5b and -6b coefficients: -1, -5, -5, -6 constants: -9
Identify: terms, like-terms, coefficients, and constants. -x + -5b - 5x + (-6b) - 9
200
x > 5
3x - 5 > 10
200
13 liters per hour
find the constant of proportionality. Number of hours x 2 5 9 10 13 16 Amount of water y 26 65 117 130 169 208 (in liters)
200
44 cm
Find the circumference of a circle with a radius 14 cm. Use 22/7 for pi.
300
-7/10
-2/5 + (- 3/10) = ?
300
-6x + (-3y) + (-8)
Simplify: 3x + 6y - 7x + (-9y ) + (-2x) -8
300
x > 4
5x - 6 > 14
300
y = 7.5x
write the equation for the following data Number of people x 2 4 6 Cost $ y 15 30 45
300
The perimeter is about 400.96 m.
Find the perimeter of a running track that is composed of a rectangle with length of 100 m and two semicircles with the radius of each 32 m.
400
-2
-0.6 / 0.3 =?
400
x=2
Solve for x: 5(2x+7) = 55
400
x > -9
-3x - 7 < 20
400
weight (lbs) x 0 1/2 1 1 1/2 2 2 1/4 cost ($) y 0 4 8 12 16 18
Fill in the missing data weight (lbs) x 0 1/2 1 1 1/2 2 1/4 cost ($) y 0 4 12 16 18
400
about 2461.76 sq.mm.
Find the area of the circle with a diameter of 56 millimeters.
500
-0.72 or -18/25
-4/5 * 0.9 =?
500
x = -5
Solve for x: -6x / 5 +9 = 15
500
x < -3
-6x + (-5) > 3x +22
500
1) 75 2) 1350 ft
A model of a skyscraper is made so that 1 inch represents 75 feet. 1) What is the scale factor? 2) What is the height of the actual building if the height of the model is 18 inches?
500
the area is about 284.52 square feet.
Find the area of the portion of the basketball court that is displayed on the board. It is made up of a rectangle with a length of 19 ft and a width 12 ft. The width of the rectangle is also half of the circle with its center located on it.