y=mx+b
Solving for x
Geometric figures
Probability/Fractions & Decimals
Circles/Area
100
y=1/4x+8
What is the y intercept in this equation?
8 is the y intercept.
Remember, b stands for the y intercept in the equation y=mx+b
100
4x=8
Solve for x.
x=2
100
Find angle B.
Angle B is...
25 degrees
100
1 in 5 US citizens are cigarette smokers. What is the percentage of smokers in the US?
20%
100
The radius of a pizza is 7 inches. What is the diameter?
Diameter = 14 inches
200
y=x-1
What is the slope for this equation?
The slope is 1.
(x = 1x)
200
(5+3)x=56
Solve for x.
x=7
200
Find angle W in degrees.
Angle W in degrees is...
39 degrees
200
A dice has 6 sides. What is the probability that you will roll a 2?
1/6
or
0.166666666
200
What is the area of this shape?
Area = 29 cm2
300
y=2x-3
Is the slope positive or negative?
Negative.
300
4x=2
Solve for x.
x=0.5
300
What is the angle of x?
Angle x is...
60 degrees
300
If the probability of seeing a car on the highway in half an hour is 0.90, what is the probability of seeing a car on the highway in 15 minutes?
0.45
300
What is the radius?
Radius = 2
400
x+y=30
Put this equation into standard form.
In standard form...
y=-x+30
400
6x=72
Solve for x.
x=12
400
What is angle y?
Angle y is...
76 degrees
400
A WakyCube Dice has 4 sides, numbered 1-4. What is the percentage the dice will roll of 1?
25%
400
What is the area of this triangle?
A = 21
500
4x+y=3
Put this equation into standard form.
In standard form...
y=-4x+3
500
x+x+x+x+x+x+x+x=48
Solve for x.
x=48
500
What is angle D in degrees?
Angle d is...
124 degrees
500
There are 200 students in the school raffle. One student's name put in once by himself, and 4 times from teachers and friends (total of 5 times.) What is the probability that his name will be caused?
2.5%
500
What is the area of this triangle?
A = 16