Use the Quadratic Formula to solve for y in the following equation.





a.

b.

c.

d.

e.


c.

Mathematics

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Decide whether or not the given equation is an identity.csc x tan x = cos x csc2 x

A. Yes B. No

Mathematics

Perform the indicated operations:

a. x(x + 2y) + y(3x + 2) b. 4(2x2 - 9x) - 3x(x + 3) c. 3x(-3x2 - 4) - 2x2(7x - 2) d. 5(x2 + 3x + 2)

Mathematics

Solve the problem.Let y1 equal the left side and let y2 equal the ride side of the given equation. Graph y1 and y2 and use the graph to solve the equation x + 2 = 4 - x.

A.

x = 0
B.

x = -1
C.

x = 2
D.

x = 1

Mathematics

Solve the problem. Round as appropriate.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 5 cm on a side is 375 g, find the weight of the liquid in a cubical container 4 cm on a side.

A. 12 g B. 64 g C. 44 g D. 192 g

Mathematics