Rational Numbers
Order the following from least to greatest:
-2, |-6|, -2.5, |5|
-2.5, -2, |5|, |-6|
Two angles are complementary. One angle's measure is 58 degrees. What is the other angle measure?
32 degrees.
An image of triangle with side lengths (cm) of 3, 6, 8 is created using a scale factor of 3. Find the new perimeter.
51 cm.
A gym charges $60 per month plus $6 for every exercise class attended. If Drake went to 8 classes in April, what was his total monthly cost?
$108.
Jayson has $15 in his bank account. He earns $20 a week in allowance for doing chores. How many weeks until he can buy a pair of $150 Air Jordan sneakers?
7 weeks
At 6:00am, the temperature was -4 degrees. At noon, it had risen 7 degrees. At 8:00pm, it had decreased 11 degrees. What was the temp at 8:00pm?
-8 degrees
Can you make a triangle with angle measures of 75, 35, and 80?
Find the slope between points (8,1) and (4,4).
-3/4
Solve for x.
3x + 17 = 68
x = 17
Solve for x:
4x - 8 < 12
x < 5
Solve:
-2 - 8 + (-4) + 5 =
-9
What is the supplement of an angle with a measure of 78 degrees?
102 degrees.
A line with a slope of 4 goes through (3,-6). What is another point on that line?
Ex: (4,-2), (2,-10)
Solve for x.
x + x + x = -12
x = -4
Solve for y:
-6x + 5 < -13
x > 3
Solve:
|11 - 18| + |3 - (-2)| - 9 =
3
Point C (5,-3) is reflected over the y-axis. What are the coordinates of C'?
(-5,-3)
One triangle has angle measures that include 27 and 34 degrees. Another triangle has measures that include 119 and 34 degrees. Are they congruent?
They are similar. MAYBE they are congruent.
Solve for x.
5(x+2)=40
x=6
Solve for w:
-w > -7 - 9
w < 16
-72 / -3 =
24
Point M (4,6) is rotated 90 degrees counterclockwise around the origin. What are the coordinates of M'?
(-6,4)
Figure A has side lengths (ft.) of 3, 5, 8, & 10. Figure B has side lengths (ft.) of 9, 15, 24, & 30. What is the scale factor from Figure B to Figure A?
1/3
4a - 3 = 7a + 12
a = -5
Simplify the following:
-4m + (-7) - 14m + 9 - m
-19m + 2