SMRM math review Flashcards
What is the decimal form of 1/8?
.125
What is the square root of 225?
15
What is the square root of 169?
13
What is the square root of 196?
14
What is the square root of 121?
11
What do you to the exponent of a scientific notation problem when adding/subtracting?
change the exponents so that are the same
What do you do to the exponents in a scientific notation problem when multiplying?
add the exponents
What do you do to the exponents in a scientific notation problem when dividing?
subtract exponent of the denominator from the exponent of the numerator
What do you do to solve a scientific notation problem with raising the power?
multiply the exponent and raise the mantissa to the power
How do you square root a scientific notation?
the power of 1/2 is the same as square rooting, multiply the exponents together
sin(0degrees)=
0
sin(30degrees)=
0.5
sin(45 degrees)=
0.7
sin(60 degrees)=
0.9
cos (0 degrees) =
1
cos (30 degrees) =
0.9
cos (45 degrees) =
0.7
cos (90 degrees) =
0
SOH CAH TOA
sin(theta)= opp/hypo
cos(theta)= adj/hypo
tang (theta)= opp/adj
what is the formula for the area of a circle?
A = pi(r)squared
circumference of a circle formula?
C= pi(diameter)
area of a triangle formula
1/2(bh)
volume of a sphere formula
4/3(pi)r cubed
surface area of a sphere
SA= 4(pi)r squared
pythagorean theorem
a(sq.) + b (sq) = c (sq.)
pi radians =
180 degrees
2pi radians =
360 degrees
About how many radians in one circle?
6
what is the exponent associated with micro, nano, pico, femto, hecto, mega, giga, and tera?
micro = 10 ^ -6 pico = 10^ -12 femto = 10^ -15 hecto = 10^ 2 mega = 10^ 6 giga = 10 ^ 9 tera = 10 ^12
If two variables are on opposite sides of the equation and on different sides of the division line, they are __ related
inversely
If two variables are on opp sides of the equation and on the same side of the division line, they are __ related
directly
If two variables are on the same side of the equation and on different sides of the division line they are __ related
directly
If two variables are on the same side of the equation and on the same side of the division line, then they are __ related
inversely