Solve the system of equations using substitution.
A. x = 0, y = 10; x = 0, y = 26
or (0, 10), (0, 26)
B. x = -5, y = 0 or (-5, 0)
C. x = -4, y = 2; x = 4, y = 18
or (-4, 2), (4, 18)
D. x = -4, y = 2 or (-4, 2)
Answer: D
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Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
2x + y = 2} or {
2x + y = 4}
B. 
C. 
D. no solution; ?
Find the missing length to the nearest tenth.
A. b = 25.0 m B. b = 24.0 m C. b = 20.0 m D. b = 17.5 m
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 2)2 = -8(x - 4)
A. vertex: (2, 4) focus: (0, 4) directrix: x = 4 B. vertex: (4, 2) focus: (2, 2) directrix: x = 6 C. vertex: (4, 2) focus: (6, 2) directrix: x = 2 D. vertex: (-4, -2) focus: (-6, -2) directrix: x = -2
Provide an appropriate response.Determine whether the wording "calculating the square of a number and then adding four to the result" is a representation of a function. Explain your answer.
What will be an ideal response?