Perpendicular lines intersect and form 4
a. right angles.
b. acute angles.
c. obtuse angles.
d. straight angles.

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y