What is the slope of y=-5+4xy=−5+4xy, equals, minus, 5, plus, 4, x?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

How do you use the elimination method for this question? explain, because i really want to understand!

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x