Mathnasium Review UPDATED ACTUAL Questions and CORRECT Answers
What is a real number? any number without 'i'
what is a constant? specific fixed number
What is an integer? a whole number
What does quotient mean? to divide
Complementary angles add to 90 degrees
supplementary angles add to 180 degrees
On a 30,60,90 triangle, what are the sides starting small-
x, xroot3, and 2x
est?
On a 45,45,90 triangle, what are the side ratios? x, x, and xroot2
How do you add vectors together? <x,y>+<a,b>=<x+a,y+b>
domain x values
range y values
Simply add the corresponding places (if they are different
how do you add matrices?
sizes then it is undefined)
just multiply every number by the constant and leave it in
how do you multiply matrices by a constant?
the same shape
there should be the same number of rows as the first
how do you multiply matrices by another matrix? matrix and the same number of columns as the second,
and do almost a foiling method
IabI
How do you simplify a matrix?
I c d I = ad-bc
How do you remember absolute value inequalities? greatOR, less thAND
What should you always be on the lookout for regarding
two answers
squares and square roots?
slope of a horizontal line zero
slope of a vertical line undefined
, what is the discriminant? b^2-4ac
if 0=1 solution
What does a discriminant tell you? if + = 2 real solutions
if - = 2 complex solutions/no real solutions
What slopes do perpendicular lines have? negative reciprocal
What is a scalene triangle? all different lengths/angles
equation of a circle (x-h)²+(y-k)²=r²
volume of a sphere 4/3πr³
volume of a cylinder πr²h
volume of a cone 1/3πr²h
A triangle formed by three points on a circle with the
right triangle
hypotenuse being the diameter will always be a...
area of a circle πr²
Circumference of a circle 2πr
what are parallelograms two sets of parallel lines with no right angles
what is a rhombus a parallelogram with 4 congruent sides
area of a trapezoid 1/2(b1+b2)h
n=number of sides
how do you find the interior angles of a polygon
(n-2)180
what is the distance formula d = (x2 - x1)^2 + (y2 - y1)^2
surface area of a sphere 4πr²
surface area of a cylinder 2πrh+2πr²
surface area of a cone ELABORATE πrl+πr²
What is the key part of a function? no two same x values (vertical line test)
2/5
What is a real number? any number without 'i'
what is a constant? specific fixed number
What is an integer? a whole number
What does quotient mean? to divide
Complementary angles add to 90 degrees
supplementary angles add to 180 degrees
On a 30,60,90 triangle, what are the sides starting small-
x, xroot3, and 2x
est?
On a 45,45,90 triangle, what are the side ratios? x, x, and xroot2
How do you add vectors together? <x,y>+<a,b>=<x+a,y+b>
domain x values
range y values
Simply add the corresponding places (if they are different
how do you add matrices?
sizes then it is undefined)
just multiply every number by the constant and leave it in
how do you multiply matrices by a constant?
the same shape
there should be the same number of rows as the first
how do you multiply matrices by another matrix? matrix and the same number of columns as the second,
and do almost a foiling method
IabI
How do you simplify a matrix?
I c d I = ad-bc
How do you remember absolute value inequalities? greatOR, less thAND
What should you always be on the lookout for regarding
two answers
squares and square roots?
slope of a horizontal line zero
slope of a vertical line undefined
, what is the discriminant? b^2-4ac
if 0=1 solution
What does a discriminant tell you? if + = 2 real solutions
if - = 2 complex solutions/no real solutions
What slopes do perpendicular lines have? negative reciprocal
What is a scalene triangle? all different lengths/angles
equation of a circle (x-h)²+(y-k)²=r²
volume of a sphere 4/3πr³
volume of a cylinder πr²h
volume of a cone 1/3πr²h
A triangle formed by three points on a circle with the
right triangle
hypotenuse being the diameter will always be a...
area of a circle πr²
Circumference of a circle 2πr
what are parallelograms two sets of parallel lines with no right angles
what is a rhombus a parallelogram with 4 congruent sides
area of a trapezoid 1/2(b1+b2)h
n=number of sides
how do you find the interior angles of a polygon
(n-2)180
what is the distance formula d = (x2 - x1)^2 + (y2 - y1)^2
surface area of a sphere 4πr²
surface area of a cylinder 2πrh+2πr²
surface area of a cone ELABORATE πrl+πr²
What is the key part of a function? no two same x values (vertical line test)
2/5
