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MATHNASIUM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024 $14.49   Add to cart

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MATHNASIUM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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MATHNASIUM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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  • August 29, 2024
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  • 2024/2025
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  • Questions & answers
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MATHNASIUM REVIEW QUESTIONS
AND ANSWERS WITH SOLUTIONS 2024
What is a real number? - ANSWER any number without 'i'



what is a constant? - ANSWER specific fixed number



What is an integer? - ANSWER a whole number



What does quotient mean? - ANSWER to divide



Complementary angles - ANSWER add to 90 degrees



supplementary angles - ANSWER add to 180 degrees



On a 30,60,90 triangle, what are the sides starting smallest? - ANSWER x, xroot3, and 2x



On a 45,45,90 triangle, what are the side ratios? - ANSWER x, x, and xroot2



How do you add vectors together? - ANSWER <x,y>+<a,b>=<x+a,y+b>



domain - ANSWER x values



range - ANSWER y values



how do you add matrices? - ANSWER Simply add the corresponding places (if they are different sizes
then it is undefined)



how do you multiply matrices by a constant? - ANSWER just multiply every number by the constant and
leave it in the same shape

, how do you multiply matrices by another matrix? - 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? - ANSWER I a b I

I c d I = ad-bc



How do you remember absolute value inequalities? - ANSWER greatOR, less thAND



What should you always be on the lookout for regarding squares and square roots? - ANSWER two
answers



slope of a horizontal line - ANSWER zero



slope of a vertical line - ANSWER undefined



what is the discriminant? - ANSWER b^2-4ac



What does a discriminant tell you? - ANSWER if 0=1 solution

if + = 2 real solutions

if - = 2 complex solutions/no real solutions



What slopes do perpendicular lines have? - ANSWER negative reciprocal



What is a scalene triangle? - ANSWER all different lengths/angles



equation of a circle - ANSWER (x-h)²+(y-k)²=r²



volume of a sphere - ANSWER 4/3πr³

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