Find the slope and the y-intercept of the equation.x = 3
A. not defined; (3, 0)
B. -3; (0, 0)
C. not defined; no y-intercept
D. -3; (-3, 0)
Answer: C
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Graph.y = (x + 3)2 + 6
A. 
B. 
C. 
D. 
Solve the problem.A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A. 0.26 ft B. 0.21 ft C. 0.52 ft D. 0.90 ft
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.
A. 3x31/15 B. 9x41/15 C. 9x31/15 D. 3x41/15
Solve the problem.To find the distance AB across a river, a distance BC of 1369 m is laid off on one side of the river. It is found that B = 106.2° and 
Find AB. Round to the nearest meter.
A. 485 meters B. 482 meters C. 400 meters D. 403 meters