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What is x in the equation x squared minus forty-nine equals 0?
The value of x is 7
What is the value of k when 4x squared plus kx plus 9 equals 0?
Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.
What is the solution to x squared minus 42 equals negative x?
It is a quadratic equation and the value of x is -7 or 6 x2 - 42 = (-x) x2 + x - 42 = 0 (x + 7) (x - 6) = 0
What is 8n plus 11 equals 4 plus 10n minus 11?
It is an equation and the value of n is 9
What is the ordered pair of x-2y equals -4 2x-y equals 1?
This is a simultaneous equation question: x-2y = -4 2x-y = 1 Multiply all terms in the top equation by 2: 2x-4y = -8 2x-y = 1 Subtract the bottom equation from the top equation remembering that a minus minus equals a plus: -3y = -9 Divide both sides of the equation by -3 to find the value of y remembering that a minus divided by a minus equals a plus: y = 3 Substitute the value of y into the original equations to find the value of x: Solution: x = 2 and y = 3
What is x in the equation x squared minus forty-nine equals 0?
The value of x is 7
What is the value of k when 4x squared plus kx plus 9 equals 0?
Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.
What is the value of x in the equation x squared minus x plus 7 equals 3?
The equation does not have a real number solution. Using the quadratic formula will give it's conjugate pair complex solution.
What is 8n plus 11 equals 4 plus 10n minus 11?
It is an equation and the value of n is 9
What is the solution to x squared minus 42 equals negative x?
It is a quadratic equation and the value of x is -7 or 6 x2 - 42 = (-x) x2 + x - 42 = 0 (x + 7) (x - 6) = 0
What is the ordered pair of x-2y equals -4 2x-y equals 1?
This is a simultaneous equation question: x-2y = -4 2x-y = 1 Multiply all terms in the top equation by 2: 2x-4y = -8 2x-y = 1 Subtract the bottom equation from the top equation remembering that a minus minus equals a plus: -3y = -9 Divide both sides of the equation by -3 to find the value of y remembering that a minus divided by a minus equals a plus: y = 3 Substitute the value of y into the original equations to find the value of x: Solution: x = 2 and y = 3
Is this equation a function y equals 3squared plus 2x minus 3 is this a function?
You can tell if an equation is a function if for any x value that you put into the function, you get only one y value. The equation you asked about is the equation of a line. It is a function.
X squared plus 16x plus a equals parenthesis x plus b parenthesis squared In the equation above a and b are constants if the equation is true for all value of x what is the value of a?
a=64 b=8 (x+16x+64)=(x+8)^2
What order pair is a solution for y equals 2x minus 1?
Choose any value for "x", replace that in the equation, and calculate the corresponding value for "y".
How do you answer 2x² plus 6x minus 8 equals 72?
Using the quadratic equation formula the value of x is -8 or 5
What is the value of x in the equation -12x equals 72?
-6 when you multiply two minus numbers the minus signs cancel each other out so -12 * -6 = 72
Factor x squared minus y squared?
( x - y )2There isn't enough information to answer this question because they have two squared variables and you do not know what is being squared. You would first need to either know the value of one of the variables and an equation of the value of both of the variables before you would be able to factor.
