Point K is located at ( 17 , − 21 ) . If point K is reflected across the x -axis, what are the coordinates of the reflected point?

What is the smallest integer n such that n\sqrt{2} is greater than 20

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.