Find the slope and the y-intercept of the line.-3x + 4y = 4

A. Slope ; y-intercept (0, 1)
B. Slope -1; y-intercept (0, 1)
C. Slope 1; y-intercept (0, -1)
D. Slope - ; y-intercept (0, -1)


Answer: A

Mathematics

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?Which of the following is a divisibility rule for 18? ?

A. If a number ends in an even number and is divisible by 3, then it is divisible by 18. B. ?If a number ends in an even number and the sum of digits is divisible by 9, then it is divisible by 18. C. ?If last two digits of a number are divisible by 4 and the sum of digits is divisible by 9, then it is divisible by 18. D. If a number ends in an even number and the sum of digits is divisible by 6, then it is divisible by 18. E. ?If the sum of the digits of a number is divisible by 3 and 6-rule works, then it is divisible by 18.

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The scalar function div(grad f) = ? ? ? f (also written ?2f) is called the Lapalacian, and the function f satisfying ?2f = 0 is said to be harmonic.  ?2f = fxx + fyy + fzz. Find ?2f for the following function and decide if it is harmonic.f(x, y, z) = 4x2 - y2 - 3z2

A. harmonic B. not harmonic

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Provide an appropriate response.The Truth in Lending Law requires that a lending institution must tell the borrower, in writing, what the actual interest rate is going to be.

A. True B. False

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Graph the linear inequality.x + y < -6

A.

B.

C.

D.

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