Find a linear equation whose graph passes through the given points. Write the equation in slope-intercept form.(2, 5) and (6, -7)
A. y = 3x + 11
B. y = -3x + 11
C. y = 6x + 5
D. y = -3x - 1
Answer: B
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Use a calculator to find an approximate solution to the equation. Round your answer to the nearest thousandth.6n2 = -12n - 5
A. {-0.296, -0.704} B. {-1.592, -2.408} C. {-0.592, -1.408} D. {0.354, -2.354}
Solve.x(28 + 7x) = 0
A. 0, -4 B. -14 C. -7, -4 D. -4
Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.
= ky + f(t) is a population model where y is the population at time t and f(t) is some function to describe the net effect on the population. Assume k = .02 and y = 10,000 when t = 0. Solve the differential equation of y when f(t) = 5t.
A. y = 250t - 12,500 + 22,500e-.02t B. y = 250t + 12,500 + 22,500e-.02t C. y = -250t - 12,500 + 22,500e-.02t D. y = -250t - 12,500 + 22,500e.02t