Question

If p(x) is equal to 2 x square - 3 x + 5 then find P (-1)

Answer 1

p(x) =0
p(-1) =0
p=1
p(1) =2*1+-3*1+5
=2-3+5
=4

Answer 2

Answer:

The value of p(-1) = 4√2

Step-by-step explanation:

Polynomial:

• Algebraic expressions are called as Polynomials which include coefficients and variables.
• Indeterminates are another name for variables.
• For polynomial expressions, we can do mathematical operations like addition, subtraction, multiplication, and positive integer exponents, but not division by variable.
• x²+x-12 is an illustration of a polynomial with a single variable. There are three terms in this example: x², x, and -12.

Origin of Polynomial:

• The Greek words 'poly' and 'nominal', which combined mean "many phrases," are the roots of the English word polynomial. There is no limit to the number of terms that can exist in a polynomial.

       Given

               p(x) =  2$\sqrt{-3x+5}$

   we need to find the value of the given polynomial at x = -1

               p(-1) = 2$\sqrt{-3(-1)+5}$

                       = 2$\sqrt{3+5}$

                       = 2$\sqrt{8}$

                       = 2(2√2)

                       = 4√2

               Hence the value of p(-1) = 4√2

Know more about Quadratic Polynomials:

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