Numbers and Properties
Which set of numbers does not contain the value 0?
A. R
B. Q
C. W
D. N
N - Natural numbers
Simplify the expression
16x - 11 - 7x + 10
9x - 1
Solve
6(n + 5) = 2
n = -14/3
Solve, graph, and give interval notation
5v + 1 > 7v - 17
v < 9
(-∞, 9)
Solve
3|m + 8| = 39
m = 5, -21
What is a rational number?
Numbers where the decimal either terminates or repeats. They can always be written as a fraction.
Simplify
29 - (11 - 23) + 62 ÷ 4
35
Solve
40 - 8x = -8(x - 5)
All Real Numbers
Solve, graph, and give interval notation
-3(2p + 8) < -4(2p + 6)
p < 0
(-∞, 0)
Solve
|3x - 9| = x + 1
x = 2, 5
Name the property illustrated.
(6a + 4b) + 3c = 6a + (4b + 3c)
Associative Property of Addition
Evaluate the expression if m = 1/4.
2m2 + 9m
19/8
Solve
16 - (7m + 3) = 8(1 - m)
m = -5
Solve, graph, and write in interval notation.
3x + 4 < 10 or 5x > 45
x < 2 or x > 9
(-∞, 2] U (9, ∞)
Solve
16|r - 5| = -32
No Solution
Name the property illustrated by the statement.
(9a * 5b) + 2c = 2c + (9a * 5b)
Commutative Property of Addition
On the board
-8/3
On the board
(Solve for b)
b = 5c - a
Solve, graph, and write in interval notation.
2w + 1 < 11 and 1 - 5w < 41
w < 5 and w > -8
(-8, 5]
On the board
Solve, graph, and write in interval notation.
m < -7.5 and m > 7.5
(-∞, -7.5) U (7.5, ∞)
What is the multiplicative inverse of 7/3x?
3x/7
Evaluate the expression if x = 5 and y = -9
-x2 + 7(y + 2) - 1
-75
On the board (Solve the equation)
x = -2/5
On the board.
Solve, graph, and write in interval notation.
2 < x < 8
[2, 8)
Solve, graph, and write in interval notation.
2 - 5|10 - 2n| > -28
n > 2 and n < 8
[2, 8]