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

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

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.x^₂ + 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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