Provide an appropriate response.
Identify the equation as pure quadratic, incomplete quadratic, complete quadratic, or not quadratic: x2 + 4x - 7 = 0.
A. Incomplete quadratic
B. Complete quadratic
C. Pure quadratic
D. Not quadratic
Answer: B
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Solve the problem.In the analysis of the waveform of an AM radio wave, the equation arises. Find
, assuming that the other quantities are constant.
A.
B.
C.
D.
Find the derivative.y =
A. (8x + 7)3/2
B. -
C.
D.
Solve the equation.10n = 4n + 6 + 5n
A. -6 B. -60 C. 6 D. 60
Solve the problem.The maximum number of volts, E, that can be placed across a resistor is given by the formula where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. Solve this equation for R. Use the result to determine the resistance of a resistor if P is
watts and E is 10 volts.
A. R = E2P2; 400 ohms
B. R = ; 400 ohms
C. R = E2P; 200 ohms
D. R = ; 200 ohms