Mathnasium Review exam questions and 100% verified answers
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Course
Mathnasium
Institution
Mathnasium
What is a real number? - correct answer any number without 'i'
what is a constant? - correct answer specific fixed number
What is an integer? - correct answer a whole number
What does quotient mean? - correct answer to divide
Complementary angles - correct answer add to 90 degrees
su...
Mathnasium Review
What is a real number? - correct answer any number without 'i'
what is a constant? - correct answer specific fixed number
What is an integer? - correct answer a whole number
What does quotient mean? - correct answer to divide
Complementary angles - correct answer add to 90 degrees
supplementary angles - correct answer add to 180 degrees
On a 30,60,90 triangle, what are the sides starting smallest? - correct answer x, xroot3, and 2x
On a 45,45,90 triangle, what are the side ratios? - correct answer x, x, and xroot2
How do you add vectors together? - correct answer <x,y>+<a,b>=<x+a,y+b>
domain - correct answer x values
range - correct answer y values
how do you add matrices? - correct answer Simply add the corresponding places (if they are different
sizes then it is undefined)
, how do you multiply matrices by a constant? - correct answer just multiply every number by the
constant and leave it in the same shape
how do you multiply matrices by another matrix? - correct answer there should be the same number of
rows as the first matrix and the same number of columns as the second, and do almost a foiling method
How do you simplify a matrix? - correct answer I a b I
I c d I = ad-bc
How do you remember absolute value inequalities? - correct answer greatOR, less thAND
What should you always be on the lookout for regarding squares and square roots? - correct answer two
answers
slope of a horizontal line - correct answer zero
slope of a vertical line - correct answer undefined
what is the discriminant? - correct answer b^2-4ac
What does a discriminant tell you? - correct answer if 0=1 solution
if + = 2 real solutions
if - = 2 complex solutions/no real solutions
What slopes do perpendicular lines have? - correct answer negative reciprocal
What is a scalene triangle? - correct answer all different lengths/angles
equation of a circle - correct answer (x-h)²+(y-k)²=r²
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