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What is the solution of the equation x square -12x equals 8?
X2 - 12X = 8 X2 - 12X - 8 = 0 Looks like a job for the quadratic formula. X = - b (+/-) sqrt(b2 - 4ac)/2a a = 1 b = -12 c = - 8 X = - (- 12) (+/-) sqrt[(- 12)2 - 4(1)(- 8)]/2(1) X = 12 (+/-) sqrt(144 + 32)/2 X = 12 (+/-) sqrt(176)/2 X = [12 (+/-) 4sqrt(11)]/2 =======================exact answer, less factor elimination. you do approximation.
What is the solution of the equation x-8 equals 17?
x - 8 = 17x = 25 (add 8 to both sides)
If x is a positive integer solve x2 plus 6x equals 16?
x2 + 6x = 16x2 + 6x - 16 = 0(x + 8)(x - 2) = 0x + 8 = 0 or x - 2 = 0x = -8 or x = 2Since it is given that x > 0, then x = -8 is not a solution of the equation. Thus, the only solution is x = 2.
If y varies directly with x find the constant of variation if x equals 8 and y equals 12?
y = cx when x = 8, y = 12 so that 12 = 8c which gives c = 12/8 = 1.5
What equation has a solution of 9?
Of course, x-1=8 is a solution. Any equation which results with the variable value as 9 is ur answer. For eg: x = 9 / x-9 = 0 1 - x = -8 / x-1 = 8 x-2 = 7 / 2-x = -7 Any, any such equation will be your answer(correct answer). Enjoy
Does 19-x equal 12 of the solution of 8?
If x = 8 satisfies the equation 19 - x = 12, then it is a solution of the equation. 19 - x = 12 19 - 8 = ? 12 11 ≠ 12 Since x = 8 does not satisfy the equation, x = 8 it is not a solution.
What is the soultion of y -8 and y -2x-12?
If you mean: y = -8 and y = -2x-12 then the solution is x = -2 and y = -8
Which two numbers have the mean of 10 and the range of 8?
6 and 14 Solution x - y= 8, so x =8 + y, (x + y)/2 = 10, x + y = 20, Substituting x = 8 + y, we have: 2 y + 8 = 20, or 2y = 12, y = 6, x = 6+8= 14
What is x - 8 equals 12?
x - 8 = 12 x - 8 + 8 = 12 + 8 x = 20
What is the solution to this equation 3x-3y equals 12 and 4x-8y equals -16?
x = 12 and y = 8
How do is 2x plus 8 equals x plus 10?
To solve the equation 2X+8=X+10 the first step is to get all instances of the variable 'X' on the same side of the 'equals' sign. To do this, we must first subtract 'X' from both sides of the equation: 2X+8-X=X+10-X which then becomes X+8=10. The next step is to leave the variable 'X' alone on it's side of the 'equals' by subtracting the numeral 8 from both sides of the equation: X+8-8=10-8 which then becomes X=2. To confirm that the solution is correct, we then substitute the solution we arrived at into the original equation in place of the variable 'X': 2*2+8=2+10 2*2=4 so: 4+8=2+10 4+8=12 and 2+10=12 so the final solution is: 12=12 Therefore the answer to the question "Is 2X+8 equal to X+10" is Yes, and the value of the variable 'X' is 2
What is the solution set for x2-4x equals 8?
x2 - 4x = 8 x2 - 4x + 4 = 8 + 4 (x - 2)2 = 12 x - 2 = +&- sq. root of 12 x = 2 +&- 2(sq. root of 3)
What does it mean to be a solution of an equation?
the solution is the answer to the equation. A solution is any value that makes the equation true. x + 2 = 10 has exactly one solution ....x=8 x + 2 > 10 has infinitely many solutions....x=9 or 10 or 11 or 12 or 13, etc
What is a real life example of factoring quadratic equations with solution?
Example:- What are the dimensions of a rectangle when its length is greater than its width by 4 cm and has an area of 96 square cm? Let the length be x+4 and the width x: length*width = area (x+4)*x = 96 => x2+4x-96 = 0 => (x+12)(x-8) = 0 when factored So: x = -12 or x = 8 the dimensions can't be negative Solution: length = 12 cm and width = 8 cm Check: 12*8 = 96 square cm
Is -4 a solution of -x - 8 -x - 4?
"-X-8-X-4" cannot be solved. This is because it is an expression, and expressions can only be reduced into another expression, not solved. In this example, it would reduce to "-2X-12". However, if you substitute -4 for X, you get -4. If the problem read "-X-8-X-4=-4", -4 would be an appropriate solution for X.
What is the solution to this problem x-16 equals -8?
-8
What is the solution of the equation x square -12x equals 8?
X2 - 12X = 8 X2 - 12X - 8 = 0 Looks like a job for the quadratic formula. X = - b (+/-) sqrt(b2 - 4ac)/2a a = 1 b = -12 c = - 8 X = - (- 12) (+/-) sqrt[(- 12)2 - 4(1)(- 8)]/2(1) X = 12 (+/-) sqrt(144 + 32)/2 X = 12 (+/-) sqrt(176)/2 X = [12 (+/-) 4sqrt(11)]/2 =======================exact answer, less factor elimination. you do approximation.
