When graph in the xy plane, what is the y-coordinate of the vertex of the parabola with equation = −2( − 1)( + 5)

Find the missing number. a. 3 : 24 = : 72 b. : 18 = 5 : 9 c. 6: = 36 : 36

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²