Complete the table for the equation.y + x = 7
A. 
B. 
C. 
D. 
Answer: A
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 + 15x2 - 16
A. (x2 - 1)(x2 + 16) B. (x + 1)(x - 1)(x2 + 16) C. (x - 1)2(x2 + 16) D. (x + 1)(x - 1)(x + 4)(x - 4)
The proprietor of the Showplace, a video store, has estimated that the rental price p (in dollars) of prerecorded video discs is related to the quantity x rented/day by the demand equation
?
?
Currently, the rental price is $3/disc. Is the demand elastic or inelastic at this rental price? If the rental price is increased, will the revenue increase or decrease?
?
A. inelastic, increase B. inelastic, decrease C. elastic, decrease D. elastic, increase
Find an equation of the line satisfying the conditions. Write the equation in slope-intercept form.Through (1, 9); perpendicular to x = 5
A. y = 9 B. y = 1 C. y = -1 D. y = -9
Find the square of the radical expression.
A. 160 B. 8.9 C. 80 D. 40