AND SOLUTIONS BUNDLED FULL REVIEW
GRADED A+
◉ distance formula. Answer: d = √[( x₂ - x₁)² + (y₂ - y₁)²]
◉ midpoint formula. Answer: (x₁+x₂)/2, (y₁+y₂)/2
◉ standard form. Answer: Ax+By=C
◉ point slope form. Answer: (y-y2) = m(x-x2)
◉ slope intercept form. Answer: y = mx + b
◉ vertical line. Answer: x=a, slope is undefined
◉ horizontal line. Answer: y=b, slope is 0
◉ parallel lines. Answer: Same slope different y intercept
◉ perpendicular lines. Answer: reciprocal slope - and flipped
, ◉ bounded solution sets. Answer: has stopping points, can be open
or closed
◉ unbounded solution sets. Answer: involves positive or negative
infinity
◉ what happens if you multiply or divide by a negative in an
inequality?. Answer: flip the inequality sign
◉ absolute value inequality rules. Answer: if absolute value is
smaller than, then combine into one. if bigger do or
◉ explicit domain. Answer: state as a part of the function
◉ implied domain. Answer: not a state, but assumed based on the
expressed function
◉ even function. Answer: f(x)=f(-x), symmetric with respect to the y
axis
◉ odd function. Answer: f(x)=-f(-x), symmetric with respect to the
origin