Math

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Can someone please check my work for me?

Write an equation of the line satisfying the given conditions.
9) Intersects the line y = 2 + 3x at infinitely many places. 9)
A) y = -3x + 2 B) y = 2x + 3 C) y = -1/3x + 2 D) y = 2 + 3x
Is the answer A

Use the discriminant to determine how many real-number solutions the equation has.
11) 1 - 7a2 = -7a - 2 11)
A) 2 B) 1 C) 0
Is the answer B

Determine the number of real-number solutions to the equation from the given graph.
14) 5x2 + 4x + 6 = 0, given the graph of y = 5x2 + 4x + 6
A) 1 B) 0 C) 3 D) 2
Is the answer A

  • Math -

    number 9 is D

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