Provide an appropriate response.If the graphs of a system of two equations are a line and a parabola, what are the possible numbers of solutions (with real coordinates) of this system?
Fill in the blank(s) with the appropriate word(s).
0, 1, or 2
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Factor out the indicated common factor of the expression. Then completely factor the expression.1 - 13x-1 + 36x-2; x-2
A. x-2(x + 4)(x + 9) B. x-2(x - 4)(x - 9) C. x-2(x - 4)(x + 9) D. x-2(x2 - 13x + 36)
Write the equation that results in the desired transformation.The graph of y = x2, vertically stretched by a factor of 5
A. y = -5x2 B. y = (x - 5)2 C. y = 5(x - 5)x2 D. y = 5x2
Write the indicated term of the binomial expansion.(x3 + 4y)19; 18th term
A. 342(4)17x3y17 B. 171(4)17x6y17 C. 171(4)17x6y19 D. 9.5(4)18x6y18
Solve the problem.The number of cows that can graze on a ranch is approximated by C(x,y) = 9x + 5y - 4, where x is the number of acres of grass and y the number of acres of alfalfa. If the ranch has 45 acres of alfalfa and 5 acres of grass, how many cows may graze?
A. 430 cows B. 270 cows C. 266 cows D. 426 cows