Exponents
Write in scientific notation: 384,000.
3.84 x 105
what two integers does SQUARE ROOT of 88 fall?
A. 6 & 7
B. 7 & 8
C. 8 & 9
D. 9 & 10
D. 9 & 10
Which is a vertical line on a coordinate grid?
y = 2
x = 5
X = 5
Which represents a horizontal line?
y=x
y=-x+1
y=-12
x=5
y=-12
Where would a rotation end up if it started in Quadrant I?
Rotate it counterclockwise 90 degrees?
Quadrant II
What is it called when a shape is moved about a point so many degrees clockwise or counterclockwise?
Rotation
If I rotate, dilate larger, and slide a shape is the new shape congruent?
No, it would only be similar.
(3x5y2)4 - evaluate (distribute the exponent through)
81x20y8
Seven less than four times a number is equal to 5.
What is the equation?
4n - 7 = 5
Domain - X
Range = Y
180(n-2)
Find the sum of all measures of interior angles of a pentagon (5 sides).
540 degrees
What is the Pythagorean Theorem?
a2 + b2 = c2
If two lines cross to amke the letter X. The top angle is 105 degrees, what is the bottom angle measure?
105 degrees, they are vertical angles
Is the preimage first or second?
First
What is equivalent to
4-3?
1/64
SQUARE ROOT of 12.96 is ____ than 3 3/5?
=
They are equal
Rearrange into y=mx+b
4x - 5y = 20
y = -4x - 4
If a shape is congruent to another, what does that mean?
It means they are the same size, shape, and all measures are the same.
What do you call angles that are inside the parallel lines and on opposite sides of the transversal?
Alternate interior angles
How much did I scale this shape?
First shape has sides of 2, 3, 4.
The new shape has sides of 4, 6, 8.
dilation scale of 2
What is the line of reflection?
The line in which the shape is reflected over.
c * c * c * c * g * g * c * g
Joe saved $65 and plans to save $5 per week. How many weeks will it take to save $125?
65 + 5w = $125
12 Weeks
Slope is -5
Y-intercept is (0,2)
Write the y=mx+b equation
y = -5x + 2
What does it mean when shapes are similar?
It means they are the same shape, but can be different sizes.
What do you call angles that equal 180 degrees?
Linear pairs
which numbers make a right triangle?
6, 8, 12
8,15,17
4,12,16
8,15,17
How tall is the flag pole?
girl 5 ft tall, shadow 3 ft.
Flag pole: m ft tall, shadow 9 ft.
The flag pole is 15 feet tall
How many of each variable?
f8m2z6
8 f's
2 m's
6 z's
all multiplied together
Which has the least absolute value?
3.5 x 10-5
8.75 x 10-7
5.62 x 103
1.002 x 1012
8.75 x 10-7
Where do you find the solution to a system of equations on a coordinate grid of the two lines?
Where the lines cross.
What is a translation?
a slide
What type of transformation is it when you make a shape larger or smaller?
Dilation
12 in each row
12 in each column
(12x12 = 144)
180-35 = 145 degrees