Find the value of k so that the equation will have exactly one rational solution.49x2 - 14x + k = 0
A. None
B. 1
C. -1
D. 0
Answer: B
Mathematics
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Solve the problem.On a certain map, 1 inch equals 20 miles. How many miles are in 2
inches?
A. 55 miles
B. 13 miles
C. 10
miles
D. 7
miles
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.5 x + 8 = 2
A. {10.32} B. {-1.30} C. {-7.57} D. {3.23}
Mathematics
Write the equation of the line passing through the given points. Write your answer in slope-intercept form.Passing through (3, -1) and (-9, -1)
A. y = 4x - 21 B. y = 8x - 33 C. y = 2x - 15 D. y = -1
Mathematics
Find the indicated term for the arithmetic sequence.a15 = -72, a20 = -102; a1
A. 12 B. 0 C. 6 D. -6
Mathematics