Add or subtract as indicated.Add.-6z4 + 8z3
A. -5z4 + 8z3 - 18z
B. -6z4 + 9z3 + 18z
C. -6z4 + 7z3 + 18z
D. -6z4 + 9z3 - 18z
Answer: C
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Find the solution for x of the equation
.
?
A. 
B. 
C. 
D. There is no solution.
Provide an appropriate response.If we apply the quadratic formula and find that the value of b2 - 4ac is positive, what can we conclude?
A. The equation has two real solutions. B. The equation has one rational solution. C. The equation has no real solutions. D. The equation has two irrational solutions.
Solve.A football team lost 6 yards on each of two consecutive plays. What was the team's total change in yardage on these two plays?
A. 14 yard loss B. 12 yard loss C. 4 yard gain D. 4 yard loss
Factor completely.2z3 + 54
A. (z + 3)(z2 - 3z + 9) B. 2(z - 3)(z2 + 3z + 9) C. (z - 3)(z2 + 3z - 9) D. 2(z + 3)(z2 - 3z + 9)