unit 1
(8b4-b2)+(2b4-b2)
Combine all exponents in correct order and you get
(10b4-2b2)
What is another way to name an angle besides using three points?
By just naming the vertex.
Plot the points: A(-2,3), B(-4,3), C(-4,4). Then reflect over x-axis and write the coordinates.
A(-2,-3), B(-4,-3), C(-4,-4)
And I changed the y-values into negatives.
What is the scale factor of the two points. ( 3,4) and (9,12)
Parentheses, exponents, multiplication, division,addition, subtraction
PEMDAS
combine all terms and you get
8y2+2y-15
Explain why it is so important to place the vertex letter in the middle when naming an angle.
So that you know that the letter in the middle is the vertex.
Plot the points: J(1,0), K(3,2), L(4,2), M(5,0). And rotate 180 degrees.
J(-1,0), K(-3,-2), L(-4,-2), M(-5,0)
I just changed both x and y values into negatives.
What is the scale factor of the two points. (9,12) and (6,8).
I just divided both points and got 2/3
A point that divides a segment into 2 congruent statements.
Midpoint
3x(9x2-4x)
combine all alike terms and you get
27x3-12x2
Describe two ways to name an angle formed by points A, B, and C, where B is the vertex.
ABC, BCA, CBA
Plot the points: W(1,1), X(2,1), Y(2,-1). Then dilate the figures using a scale factor of 2.
W(2,2), X(4,2), Y(4,-2)
I multiplied the x-values by 2.
What is the scale factor of the two points. (-2,-3) and (-10, -15)
I just divided both points and got 5
A point, ray, line, line segment, or plane that intersects a segment at its midpoint.
segment bisector
(10a2)(4a-1)
combine terms and you get
40a3-10a2
I divided the 6 by 3 and divided the 3 by 3 and got the answer of 1/3.
Two lines that intersects to form a right angle.
Perpendicular lines
(2x-4)(x+5)
combine terms and you get
2x2+10x-20
A ray that divides an angle into two angles that are congruent.
Angle bisector