Determine whether the equation is quadratic.x2 - 2x - 4 = 0
A. No
B. Yes
Answer: B
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Convert the number in the sentence to standard notation.The total paid circulation of a certain gardening magazine is $746.4 million.
A. $746,400,000,000 B. $74,640,000 C. $746,400,000 D. $7,464,000,000
If y varies directly as x, find the direct variation equation for the situation.y = 0.3 when x = 1.2
A. y = x - 0.9 B. y = 0.25x C. y = 0.3x D. y = 4x
Simplify the exponential expression using the rules for exponents.(x-3y4)-2
A. 
B. 
C. 
D. 
Write a system of equations for the problem, and then solve the system.A store sells televisions for $360 and video cassette recorders for $270. At the beginning of the week its entire stock is worth 
During the week it sells three quarters of the televisions and one third of the video cassette recorders for a total of 
How many televisions and video cassette recorders did it have in its stock at the beginning of the week?
A. 81 televisions; 74 video cassette recorders B. 82 televisions; 76 video cassette recorders C. 83 televisions; 73 video cassette recorders D. 84 televisions; 70 video cassette recorders