Unit 1
What is the area formula for a triangle?
A=1/2bh
What is the formula for distance?
D=√(x2−x1)2+(y2−y1)2
What are figures called that have the same size and shape?
Congruent Figures
What are similar figures?
Figures that have the same shape but different sizes
Which of the following is a binomial?
A)5x
B)3x+3
C)2x+8x+2
D)8x^2+2x-3
B)3x+3
What is the formula for calculating the midpoint of a line segment?
((x1 + x2)/2, (y1 + y2)/2)
Resulting figure after a transformation
Image
What is Dilation?
A transformation that changes the size but never the shape of a geometric figure.
Which of the following is a polynomial?
A)2x+3x+4+6
B)2x+3
C)3x+5x+2+4
D)Both A&C
D) Both A&C
What is the formula used to find the Pythagorean Theorem?
a² + b² = c²
What is the original figure before the transformation called?
The ratio of the old figure to the new figure is known as the....
Scale Factor
Simplify (x+8)-(5x+3)
-4x+5
Find the midpoint of the line segment with the endpoints (0,8),(-10,2)
(-5,5)
A transformation that slides up/down or right/left.
Translation
Which polygon pairs are NEVER similar?
A)Rectangle and Diamond
B)Obtuse and acute Triangle
C)Isosceles triangle and Scalene triangle
D)Pentagon and Trapezoid
C)Isosceles triangle and Scalene triangle
Simplify (5x^2+3x-8)+(-4x-3)
5x^2-x-11
Find the midpoint of the two given points (0,7)(10,2)
(-5,2.5)
A transformation where the size of the shape changes from the pre-image to the image
Non Rigid Motion
Which scale Factor will make a shape larger?
A).5
B)2
C).25
D)-8
B