Dilations
Square ABCD is shown in the xy-coordinate plane. The square will be dilated with the center O by a scale factor of 2 to create square A'B'C'D. Which statements are true?
Select four statements.
A. BC || B'C
C. AD is perpendicular to C'D'
D. Point D' has the same coordinates as point C
E. Point C' lies on the line containing points O and C.
Find the length of x.
(Slide 6)
28/6
14/3
4.6
450 6th grade students were surveyed about which superpower they would want to have if given a choice.
(Slide 12)
What percent of students who wanted Super Strength were males?
96%
What is the slope ratio of angle Q?
(Slide 14)
5/12 or 0.42
Find the sum
(6x-4y+9)+(-3x-2y)
3x-6y+9
Find the length of x.
(Slide 5)
90/16
45/8
5.625
450 6th grade students were surveyed about which superpower they would want to have if given a choice.
(Slide 13)
B. 49% of students who want to fly are female
What is the slope ratio of angle B?
(Slide 15)
7.7/14 or 0.55
Find the difference
(3x^5+8x^3-x^2)-(10x^5-6x^3+7x^2)
-7x^5+14x^3-8x^2
Is ∆ABC ~ ∆FDE? If so, which theorem proves that they are similar?
(Slide 7)
A. They are not similar
Multiply the following expression:
*Hint* Write the product as a sum using an area model
(m-3)(3m+5)
3m^2-9m+5m-15
Multiply the following expression
*Hint* Write the product as a sum using an area model
(x+2)(3x-1)
3x^2-x+6x-2