determine which of the following points lies on the graph of the equation algebra homework help

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  1. Determine which of the following points lies on the graph of the equation:
    (0,7)
    (0,6)
    (0,5)
    (6,5)
    (1,5)

5 points

QUESTION 2

  1. Complete the table. Use the resulting solution points to sketch the graph of the equation.

5 points

QUESTION 3

  1. Graphically estimate the x- and y- intercepts of the graph:y = x3 – 9x
    x-intercept: (±3,0),(0,0)y-intercept: (0,0)
    x-intercept: (3,0),(0,0)y-intercept: (0,0)
    x-intercept: (-3,0),(0,0)y-intercept: (0,0)
    x-intercept: (0,±3),(0,0)y-intercept: (0,0)
    x-intercept (0,3),(0,0)y-intercept (0,0)

5 points

QUESTION 4

  1. Find the x- and y-intercepts of the graph of the equation y=49-7x
    x-intercept: (7,0)y-intercept: (0,-7)
    x-intercept: (49,0)y-intercept: (0,7)
    x-intercept: (-7,0)y-intercept: (0,-49)
    x-intercept: (49,0)y-intercept: (0,49)
    x-intercept: (7,0)y-intercept: (0,49)

5 points

QUESTION 5

  1. Determine whether the value of x=7 is a solution of the equation:
    no
    yes

5 points

QUESTION 6

  1. Solve the equation 8-5x=6

5 points

QUESTION 7

  1. Solve the equation and check your solution.-2-4x=30
    9
    -11
    -8
    7
    -10

5 points

QUESTION 8

  1. Solve the equation and check your solution.5y + 1 = 6y – 5 + 8y
    2/3
    3/2
    6/5
    5/6
    –2/3

5 points

QUESTION 9

  1. Solve the equation and check your solution.67x – 24 = 3x + 8(8x-3)
    3
    67
    -3
    -67
    All real numbers

5 points

QUESTION 10

  1. Solve the equation and check your solution.
    10
    6
    7
    9
    8

5 points

QUESTION 11

  1. Solve the equation and check your solution. (If not possible, explain why.)
    2
    5
    6
    4
    10

5 points

QUESTION 12

  1. Solve the equation and check your solution. (If not possible, explain why)
    -18
    7
    11
    No solution. The variable is divided out.
    20

5 points

QUESTION 13

  1. Write the quadratic equation in general form.4x2 = 8 – 9x
    4x2 + 9x + 8 = 0
    4x2 + 9x = -8
    4x2 – 9x – 8 = 0
    -4x2 + 9x – 8 = 0
    4x2 + 9x – 8 = 0

5 points

QUESTION 14

  1. Solve the quadratic equation by factoring.x2 – 6x + 5 = 0
    -1, 5
    -1,-5
    1,-5
    1,5
    6,5

5 points

QUESTION 15

  1. Solve the quadratic equation by factoring.x2 + 8x + 16 = 0
    4
    –1/4
    -4
    ±4
    1/4

5 points

QUESTION 16

  1. Solve the equation by extracting square roots.(x+6)2 = 5
    6 + √5
    -6 ± √5
    -6 -√5
    6 ± √5
    -6 + √5

5 points

QUESTION 17

  1. Use the Quadratic Formula to solvex2 + 20x + 98 = 0
    x = -8, x = -12
    x = -√2 – 10, x = √2 – 10
    x = -√3 – 10, x = √3 – 10
    x = 10, x = -10
    x = -√2 – 9, x = √2 – 9

5 points

QUESTION 18

  1. Write the complex number in standard form.√ -9
    3i
    -3i
    9i
    4i
    -9i

5 points

QUESTION 19

  1. Find real numbers a and b such that the equation is true.a + bi = 14 + 2i
    a=16, b=4
    a=18, b=6
    a=14, b=2
    a=15, b=14
    a=17, b=5

5 points

QUESTION 20

  1. Find all solutions to the following equation.
    x = –17/4
    x=9
    no solution
    x=-17
    x=-8

5 points

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