Find the slope-intercept form of the equation of a line whose x-intercept and y-intercept are given.
A. y = - 
x + 7
B. y = 
x - 7
C. y = - 
x - 7
D. y = 
x + 7
Answer: C
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Solve the problem.The sum of the numbers 14.332, 19.631, 20.572, 21.315, and 24.15 is 100.000. Adjust the list so that the numbers are shown to the hundredths place and their sum is 100.00.
A. 14.34, 19.62, 20.57, 21.32, 24.15 B. 14.34, 19.63, 20.57, 21.31, 24.15 C. 14.33, 19.63, 20.57, 21.32, 24.15 D. 14.33, 19.63, 20.58, 21.31, 24.15
Factor completely.20x2 - 140x + 245
A. 5(2x - 7)2 B. 5(4x2 - 28x + 49) C. (10x - 35)(2x - 7) D. 5(2x + 7)(2x - 7)
Find the least common multiple (LCM) of the list of numbers.10, 40
A. 400 B. 4000 C. 10 D. 40
Solve the problem.For a hyperbolic mirror the two foci are 38 cm apart. The distance of the vertex from one focus is 9 cm and from the other focus is 29 cm. Position a coordinate system with the origin at the center of the hyperbola and with the foci on the y-axis. Find the equation of the hyperbola.
A. 
- 
= 1
B. 
- 
= 5
C. 
- 
= 5
D. 
- 
= 1