Formulas
How to?
random
pythagorean theorem and irrational numbers
multi-step equations
8th Grade
Math 6
Math 6
100
What is another name for slope?
constant
100
How do you find the distance between two points/coordinates?
100
How can you identify vertical angles?
they will be right across from each other
100
what is the formula for the pythagorean theorem?
a2+b2=c2
100
What is the formula volume for a cylinder?
V=πr2h
100
can something be similar but not congruent? explain.
yes, they can have similar shapes and side lengths but different measurements
200
what is the formula to find the area of a rectangle?
length X width
200
How can you find the measurements for vertical angles?
Check the angle across from it
200
How can you tell if a number is going to be really small?
negative exponent
200
find the missing side length..... a=15 c=17
b=8
200
37 = −3 + 5(x + 6)
2
200
What does congruent mean?
equal
300
What do you graph first when graphing slope intercept form?
The y-intercept or the b
300
What do you do to help you approximate square roots?
make a number line
300
how ca you tell if a number is going to be really big?
positive exponent
300
What is another name for a translation?
a slide
300
−5(4x − 2) = −2(3 + 6x)
2
300
How can you identify a proportional relationship?
it must form a straight line and pass through the origin
400
How do you find slope from a graph?
Rise over Run
400
How can you find slope from a table?
divide the y-values or do y2-y1/x2-x1
400
(145)7
1435
400
name 3 irrational numbers
answers will vary
400
5(2x + 6) = −4(−5 − 2x) + 3x
=10
400
The sum of a complimentary angle is......
90 degrees
500
What is the formula to find slope?
y2-y1/x2-x1
500
How can you tell if a systems of equations has no solution?
You will see parallel lines. or same slope but different y-intercepts
500
79/72
77
500
name 3 rational numbers
answers will vary
500
what is the main purpose in solving multi-step equations?
To isolate the variable
500
what do supplementary angles add up to
180