Use a graphing calculator to graph the function.f(x) = x2 + 
A. 
B. 
C. 
D. 
Answer: B
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Write the Hindu-Arabic numeral in expanded form.667,286
A. (6 × 100) + (6 × 101) + (7 × 102) + (2 × 103) + (8 × 104) + (6 × 105) B. (6 × 106) + (6 × 105) + (2 × 103) + (8 × 102) + (6 × 101) C. (6 × 105) + (6 × 104) + (7 × 103) + (2 × 102) + (8 × 101) + (6 × 100) D. (6 × 106) + (6 × 105) + (7 × 104) + (2 × 103) + (8 × 102) + (6 × 101)
Complete the factoring.5x2 - 45x = 5x( )
A. 9 - x B. x2 - 9 C. x - 9 D. 9 - x2
Solve the quadratic inequality. Write the solution set in interval notation.x2 - 7x + 12 ? 0
A. (-?, 3] B. [3, 4] C. (-?, 3] ? [4, ?) D. [4, ?)
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = -x2 + x + 8
A. f(x) = -(x + 
)2+ 
vertex: 
B. f(x) = -(x - 1)2 + 8
vertex: (1, 8)
C. f(x) = -(x + 1)2 + 6
vertex: (-1, 6)
D. f(x) = -(x - 
)2 + 
vertex: 