y = mx + b
Given y=mx+b:
What is m?
Slope
How many degrees are complementary angles?
90 degrees (90°)
How many degrees are supplementary angles?
180 degrees (180°)
Angles r and h are not equal.
Can angles r and h be vertical angles?
No.
Vertical angles are always equal.
Which of the following is an acute angle?
A. 90°
B. 120°
C. 12°
D. 100°
C. 12°
Given y=mx+b:
What is b?
Y-intercept
Angles t and s are complementary.
If angle t=35°, solve for s.
Angle s=55°
Angles j and k are supplementary angles.
Angle k=120°, what is angle j?
Angle j=60°
Angles z and x are vertical angles.
If angle z is 37°, what is angle x?
Angle x=37°
An acute angle of 60° is equal to 3x. Solve for x.
X=20°
What rule do you use to find positive slope?
Rise/Run
Two angles are complementary angles.
If one angle is 11x+6 and the other is 40°, solve for X.
X=4.
A 48° angle and 11z are supplementary angles. Solve for z.
Z=12
Angles 2x+18 and 60° are vertical angles. Solve for X.
X = 21°
An acute angle of 45° is equal to 5x+5. Solve for x.
X=8
What rule do you use to find negative slope?
Fall/Run
Two angles are complementary.
One angle is 3g-20.
The other angle is 8g.
Solve for g.
g=10
There are two supplementary angles.
One angle is 11x+22 where X is 9.
Solve for the missing angle.
The missing angle is 59°
-3y+84 and 45 are vertical angles. Solve for y.
y=13
An angle is equal to 7z. If z is 12°, is the angle acute?
Yes, the angle is acute.
7z=84°
Know your 12s! 😉
Solve for y:
Y=3x+7 if x = -4
Y = -5
Two angles, q and t, are complementary. Angle q is twice as big as angle t. How many degrees does each angle have?
Angle q=60°
Angle t=30°
60 is twice as much as 30 and 60+30=90
Tony has half a pizza left. If he cut a 34° slice for Jordan, how many degrees of pizza does he have left?
Sam has 146° of pizza left.
(Hopefully he shares it 😋)
Two angles are vertical angles.
One angle is 15x-22.
The other angle is 17+2x.
Solve for X.
X=3
If the clock says it is 2pm, do the minute and hour hands make an acute angle?
Yes, the hands make a 60° angle which is an acute angle.