Math Test Flashcards
1
Q
What three things should be assumed?
A
- Illustrated figures aren’t necessarily drawn to scale.
- All geometric figures lie in a plane
- The term line indicates a straight line
2
Q
What formula do you use to find the slope?
A
y2- y1
———- –> (divide)
x2-x1
*little 1 and 2
3
Q
What is the formula for slope intercept form?
A
y = mx + b
m is the slope
b is the y-intercept
4
Q
What is the formula for the point-slope form for a line?
A
y-y1 = m(x-x1)
*little 1 (all)
5
Q
What is a irrational number?
A
A real number that cannot be expressed as a rational number
6
Q
How many irrational numbers between 1 and 6?
A
Infinitely many
7
Q
How do you find the area of a triangle?
A
1/2*bh
1 over 2, multiply base times height.
8
Q
How do you find the area of a rectangle?
A
L x W
Length times width
9
Q
Area of a parallelogram?
A
base x height