In a quadratic function of the form ax^2+bx+c, which of the following is not true?

a) the y-intercept is c.
b) if a is positive, the parabola opens up.
c) the vertex has an x-coordinate of -b/2a.
d) the axis of symmetry is the line y=-b/2a.

Refer to the table below if needed. second quadrant third quadrant fourth quadrant sin(1800- - cos(180° -) tan(180°-e) =- tane cot(1800-0) 10 it to solo 888 sin(180° +c) = - sine cos(180° +) =- cose tan(180° +c) = tane cot(180° +o) = cote sec(180° + c) = - seco csc(180° +2) = - csce sin(360° -) =- sine cos(360° -) = cose tan(360° - e) =- tane cot(360° -) = -cote sec(360° -) = seco csc(360° -) = csco sec(180° -) = csc(180° -) = csca 1991 given that sine = 3/5 and lies in quadrant ii, find the following value. tane

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Solve the system of equations y= 3/2 - 1, -x+ y =-3