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What is fifteen less than the square of a number is the same as twice the numberfind the number?
x2 - 15 = 2x x2 - 2x - 15 = 0 x2 - 2x - 15 = (x - 5)(x + 3) x = 5, -3
What is 6 less than x cubed?
if you are doing algebra you have to have a number on the other side of the equal sign so x2-6 has to have a equal sign to figure out 6 is less than x cubed if x is greater than the cube root of 6. The answer is "true" or "false" depending on x
How would you write four less than the square of a number?
it may equals (n-2)(n+2)
What is the solution to the inequality x2 is greater than or equal to 16?
Find the value of X in the problem 2X = 16. Solving for X will give you _______.But you don't really want the value of X multiplied by 2 giving you 16. Instead you want the value that's less than or greater than 16. So the answer would really be ± your value of X from above.
What is the value of X2 plus X?
The answer would be 3x if 'X2' is '2x', but if 'X2' is x2, then the total answer would be x2 + x.
What is the solution to the inequality below x2 is less than 25?
If x2 < 25 Then: |x| < 5 -5 < x < 5
What is the product of 2 less than a number and 3 more than the number?
(x - 2)(x + 3) = x2 + 3x - 2x -6 = x2 + x - 6
What is the solution to X2- 3X less than or equal to 18?
That factors to (x - 6)(x + 3) x is less than or equal to -3, 6
Which graph of the solution for the quadratic inquality x2-2x less than or equal to 15?
x2-2x = 15 x2-2x-15 = 0 (x-5)(x+3) = 0 Therefore: x = 5 or x = -3
When is x less than x cubed is less than x squared?
When x is a number between -1 and 0. For example, if x=-0.5: x < x3 < x2 because -0.5 < -0.125 < 0.25
What is fifteen less than the square of a number is the same as twice the numberfind the number?
x2 - 15 = 2x x2 - 2x - 15 = 0 x2 - 2x - 15 = (x - 5)(x + 3) x = 5, -3
Which is bigger cube or square?
It depends on whether the number being raised to the power is greater than or less than 1. If x < 1 then x3 < x2 If x > 1 then x3 > x2 with equality at x = 1
How do you solve 16 less than x squared?
You don't. There's no question there, and nothing that needs solving. "16 less than x squared" is written as (x2 - 16)
Find 3 consecutive numbers where the product of the smaller two numbers is 40 less than the square of the largest number?
Call the numbers: x, (x+1), (x+2) Product of the smaller two: x(x+1) = x2 + x Square of the largest number: (x+2)2 = x2 + 4x + 4 Product of the smaller two is 40 less than the largest one squared: (x2 + x) = (x2 + 4x + 4) - 40 x2 + x = x2 + 4x - 36 0 = 3x - 36 0 = x - 12 x = 12 x+1 = 13 x+2 = 14 Check: Product of the smaller two = (12)(13) = 156 Square of the largest = 196. 156 is in fact 40 less than 196.
Can x2 plus x plus 3 be factored?
No because its discriminant is less than zero
How do you factor x2 - x plus 2?
It can't be factored because its discriminant is less than zero
What is the answer to x2-x plus 9 equals 0?
There are no solutions because the discriminant is less than zero
