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What are the factors of x2 2x 8?

What are the factors of x2 2x 8?

Thus, x-4 and x+2 are the factors of the polynomial x2-2x-8.

What is the factor of X square 2 x minus 3?

Thus, x+3 and x-1 are the factors of the polynomial x2 + 2x-3.

What is the degree of polynomial x² 2x 8?

Answer: Degree of a polynomial is the highest power found in the equation. Here, you can see that the highest power is 2. So, degree of equation is 2.

What are the roots of x² 2x 8 0?

Factor pairs of (c = -8) –> (-2, 4)(2, -4). This last sum is (-2 = -b). Therefor, the 2 real roots are: 2 and -4.

What is PSN math?

To solve x2 – 8x + 15 = 0 we could try to use the Product, Sum, Numbers method (PSN). The PSN method tells us that our numbers must multply to make the product of the first and last term, in this case 15. It also tells us that they must sum to the middle term, which is -8.

How do I solve quadratic equations?

Solving Quadratic Equations

  1. Put all terms on one side of the equal sign, leaving zero on the other side.
  2. Factor.
  3. Set each factor equal to zero.
  4. Solve each of these equations.
  5. Check by inserting your answer in the original equation.

What is the vertex of the quadratic function f/x x 8 )( x 2 box box?

The vertex of the quadratic function f(x) = (x – 8) (x – 2) is (5, -9).

What is the factor of x 2 6x 8?

Hence factors of x2+6x+8 are (x+4)(x+2)

How do you solve quadratic equations by factoring?

To solve an quadratic equation using factoring :

  1. 1 . Transform the equation using standard form in which one side is zero.
  2. 2 . Factor the non-zero side.
  3. 3 . Set each factor to zero (Remember: a product of factors is zero if and only if one or more of the factors is zero).
  4. 4 . Solve each resulting equation.

What is the zeroes of quadratic polynomial x2 2x − 8?

Thus, zeroes of the polynomial is 4,−2.

What type of polynomial is 2x X²?

The degree of 2x+x2 is 2, so it is a ‘quadratic polynomial’.

What is the solution of x² 7x 8 0?

x=−8,1.

What are the solutions to the equation x2 − 6x 8 0?

The answers are x=−2 and x=−4 .