<span>x(2x + 3) + (x - 3)(x - 4)
=2x^2 + 3x +x^2 -3x -4x + 12
=3x^2 - 4x + 12</span>
Answer:
D. -√3/2
Step-by-step explanation:
Remember your unit circle.
Alternatively, you can plug in cos(7π/6) into your calc (Put it in rad mode) and calculate your answer.
Answer:
x ≥ - 1
Step-by-step explanation:
Where a line goes across the y axis
Or in the formula y = mx + c, the y axis is represented by c
Use slope formula
(y1-y2)/(x1-x2)
(16 - -19)/(0 - 4) = 35/-4