Find an equation of the line with the given slope and y-intercept.Slope = 3, y-intercept = (0, 0)
A. y = 3
B. y = x + 3
C. y = 3x
D. x = 3y
Answer: C
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Find the equation in standard form of an ellipse centered at the origin that passes through the given points.(-7, 0), (7, 0), (0, -4), and (0, 4)
A. 49x2 + 16y2 = 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Factor the difference of two squares completely.x4 - 100
A. (x2 - 10)2 B. (x2 + 10)(x2 - 10) C. (x2 + 10)2 D. Prime
Solve the problem.Sean has $453 in his savings account. After he withdraws $38, what will his balance be?
A. -$415 B. -$491 C. $415 D. $491
Solve the problem.The rate that a moving company charges depends on the distance, x, in miles that the articles are moved. Let C(x) represent the cost to perform a move of x miles. One firm charges as follows:
Find C(227).
A. $1008 B. $854 C. $931 D. Undefined