Multiplication
y=mx+b.
What is m?
What is b?
b=y-intercept
What is the simple interest?
P=3000
r=2.5%
t=4 years
300
What is the formula for volume of a sphere?
What number do we use for pi?
3.14
b is the y-intercept.
What does y-intercept mean?
Where the graph crosses the y-axis.
Order from LEAST to GREATEST.
45%, -4.5, 4.5, 4/5
-4.5, 45, 4/5, 4.5
What are the 4 different types of slopes?
Positive, negative, undefined, zero
What is the rule of transformation for REFLECTION across the x axis?
(x,y)-->(x,-y)
Which transformation does not preserve congruency?
Dilation
In a dilation, my new rule is:
(5x, 5y)
Did my shape get bigger or smaller?
BIGGER
V=Bh.
What do we write instead for volume of cylinder?
V=(3.14)r2h
(x,y)-->(-y,x)
Which transformations describes this rule?
ROTATION 90 counter clockwise
What are the 4 different types of transformations?
Rotation, Reflection, Translation, Dilation
V=1/3Bh
What do we write instead for volume of a cone?
V=1/3(3.14)r2h
What is the formula for slope of a line?
y2-y1/x2-x1
What is the pythagorean theorem?
a2+b2=c2
Describe all 4 rules of TRANSLATION
Up, Down, Right, and Left
What is the pythagorean theorem used for?
Hint: Missing side on a what????
Missing side of a right TRIANGLE
What is the rule of transformation for ROTATION 180 degrees?
(x,y)-->(-x, -y)
What is the formula for total surface area of a cylinder?
2(3.14)rh+2(3.14)r2
d=10
h=4
What is the volume of this cylinder?
314
(x,y)-->(y, -x)
Which transformation follows this rule?
rotation 90 clockwise
r=5.7
What is the volume of the sphere?
775.34
True or False.
Rational number and Irrational have numbers in common.
FALSE
b=6
What is side c?
7.2