Vocabulary/Formulas
What do you call a triangle with all equal sides?
Equilateral triangle
What is the perimeter of a rectangle with a
width= x and length= x+3.
4x+6
What is the distance between the points (3, 4) and (7, 2)?
2 root 5
Find the midpoint of the line segment with endpoints (2, -1) and (-4, 5).
(-1,2)
Parallel lines on a graph will cross once. TRUE OR FALSE
False
How do you find the perimeter of any shape?
Add all of the sides.
What is the perimeter to isosceles triangle with the following dimensions
base=15cm
height=6cm
sides=8cm
31cm
Calculate the distance between (-5, 2) and (1, -3).
root 61
Determine the midpoint of the line segment with endpoints (-2, 3) and (5, -2).
(3/2, 1/2)
What slope is parallel to:
m = 3/4
3/4
How do you find the area of a rectangle?
length times width
Find the area of a rectangle with a length of sqrt(80) and a width of 4 sqrt(2)
16 sqrt(10)
What is the distance of (-7,3) and (10,3)?
17
Find the midpoint of the line segment with endpoints (-5, 2) and (3, -4).
(-1,-1)
What is the slope of a line perpendicular to a line with slope -6/5 ?
5/6
What is the formula to find the area of a triangle?
1/2bh or bh/2
Find the area of the triangle with a base of 3x+4 and a height of 2x
3x2+4x
4. Mr. Franklin needs to draw a perfect circle. The endpoints of one of the diameters needs to fall on (7, 1) and (−1, −1). What is the measure of the diameter?
2 sqrt(17)
Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint.
midpoint (23,11), endpoint (16,4)
(30,18)
Write the equation of a line PERPENDICULAR to y= -2x + 1 and passes through the point (2, 3).
a)y=−1/2x+12
b)y=1/2x+2
c)y=−2x+7
d)y=−2x+8
y=1/2x+2
What formula do you use to find the side length if it is a diagonal line?
The distance formula
What is the perimeter AND area of the shape with the vertices of A(−7,6), B(−3,6), C(−3,−8), D(−7,−8)
*hint graph on coordinate plane
Perimeter: 36
Area:56
Ms. Peters lives at (-7,6) and she need to go to the store which is located at (-2,-6). How far does she need to travel to reach the store?
*Express answer in ft
13 ft
Find the endpoint of the segment with endpoint (4, 12) and midpoint (-1, 13)
(-6,14)
What is the equation of the line that passes through (-9, 6) and is parallel to the line
y=3x−5?
y=3x+7
y=−3x+7
y=3x+33
y=−1/3x+33
y=3x+33