QUESTIONS AND ANSWERS | 100%
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what is absolute value? - 🧠 ANSWER ✔✔distance from zero on a number
line
if you get a negative absolute value, why is it said to not have a solution? -
🧠 ANSWER ✔✔because distance can't be negative
what are integers? - 🧠 ANSWER ✔✔all whole negative and positive
numbers
when should u switch the sign on an inequality? - 🧠 ANSWER ✔✔when
you're dividing or multiplying by a negative number
why is it that you can have a both negative and positive solution for
absolute value? - 🧠 ANSWER ✔✔because if your main solution is positive,
,if u plug that back into the absolute value bars, you'll still get a positive
number. absolute value always has to be positive, so if you get a negative
number its not the absolute value. remember this numbers that u get are
the result, not the ones u plug in
what to do when vertical shifting a graph? - 🧠 ANSWER ✔✔take what's in
the parentheses and put it equal to 0, then translate left or right that exact
amount
when you get 0=0 as the solution to an expression, what does this mean? -
🧠 ANSWER ✔✔all real numbers are solutions, because a real number
equals a real number
when you get 0=-3 as the solution, what does this mean? - 🧠 ANSWER
✔✔there's no solution
a pair of coordinates represent a function if what? - 🧠 ANSWER ✔✔they
don't have the same x-coordinates
if you have a negative exponent as a denominator and one as the
numerator, what rule can you follow to make the numerator positive? - 🧠
ANSWER ✔✔move the negative exponent to the numerator and make it
positive
, when using elimination, what is the first step you have to do? - 🧠 ANSWER
✔✔isolate one of the variables,you can do this by multiplying both
equations by different variables because they're not equal to each other, so
you can do that and once its all in order just add down
what is the formula for volume of a cylinder? - 🧠 ANSWER ✔✔V=pi r
squared h
what units is volume always in? - 🧠 ANSWER ✔✔cubed
how do u find the perfect square term? - 🧠 ANSWER ✔✔take half of the
coefficient term, then square it
what's something to keep in mind when you're determining the LCD for one
fraction on one side of the equation and one on the other? - 🧠 ANSWER
✔✔you have to multiply both sides of the LCD even if one side already has
it, because they're equal to each other
what should u remember when solving an absolute value equation that is
different from an absolute value inequality? - 🧠 ANSWER ✔✔if the solution
to the equation is bigger than 0, then you split them up and consider both
solutions, if the solution is already less than 0, it has no solutions because
its already negative
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