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# algebra-quiz-algebra-homework-help

### Question 1

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: (Â±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,Â±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 Â±4 1/4

5 points

### Question 16

1. Solve the equation by extracting square roots.(x+6)2 5
 6 + âˆš5 -6 Â± âˆš5 -6 -âˆš5 6 Â± âˆš5 -6 + âˆš5

5 points

### Question 17

1. Use the Quadratic Formula to solvex2 + 20x + 98 0
 x -8, x -12 x -âˆš2 – 10, x âˆš2 – 10 x -âˆš3 – 10, x âˆš3 – 10 x 10, x -10 x -âˆš2 – 9, x âˆš2 – 9

5 points

### Question 18

1. Write the complex number in standard form. âˆš -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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