Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(7x - y)2
A. 49x2 + y2
B. 49x2 - 14xy - 2y2
C. 49x2 - 14xy + y2
D. 49x2 - 7xy + y2
Answer: C
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Choose the polar equation that matches the graph.
A. r = sin 2? + sin2 3? B. r = cos 2? + cos2 3? C. r = sin 3? + sin2 2? D. r = cos 3? + cos2 2?
Write an equation that models the described quantity. Specify what each variable represents.A gambler has lost $2000 and is losing money at a rate of $600 per hour.
A. l = 600t + 2000, where l represents total lost in dollars and t represents time in hours B. l = 600t - 2000, where l represents total lost in dollars and t represents time in hours C. l = -600t - 2000, where l represents total lost in dollars and t represents time in hours D. l = -600t + 2000, where l represents total lost in dollars and t represents time in hours
Solve the problem.The radius of the tires of a car is 18 inches, and they are revolving at the rate of 651 revolutions per minute. How fast is the car traveling in miles per hour?
A. 
? mph
B. 
? mph
C. 
? mph
D. 
? mph
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = -x2 - 
x + 8
A. minimum at 
B. maximum at 
C. maximum at 
D. minimum at 