Positive/Negative Numbers
Evaluate:
5 - (-3)
8
Simplify 4 + 2 ∙ 3
10
x + 5 = 8
x = 3
Solve 2x + 3x = 10
x = 2
What is the formula for Circumference of a Circle
2πr OR πd
Simplfy:
-3 + 7
4
Simplify 3x + 5x
8x
3x = 15
x = 5
3x - 1 = 2x + 7
8
A reactangle has width = 10cm and length = 4cm.
What is the area of the rectangle?
(Include units in your answer)
40 cm2
What is 2 - (-3)
Is the following an Expression or an Equation?
2x + 5
Expression
x - 10 = 20
x = 30
4x + 2 = 2x + 10
x = 4
A reactangle has width = 10cm and length = 4cm.
What is the Perimeter of the rectangle?
(Include units in your answer)
28 cm
Evaluate:
-2 -(-3)
1
Does the graph on the board have positive or negative slope?
Negative
(1/3)x = 6
x = 18
3(x + 2) = 9
x = 1
A circle has a diameter of 10cm
What is the radius of the circle?
(Include units in your answer)
5cm
Evaluate:
-3 ∙ (-4 + 3)
3
What slope does the graph on the board have?
Undefined
2x + 1 = 15
x = 7
(3/2)x + 1 = 13
x = 8
A circle has a radius of 4cm
What is the area of the circle in terms of π?
(Include units in your answer)
16π cm2