samueldavis samueldavis

22-01-2016
Mathematics

contestada

If x = -3, calculate the value of: 2x2 + x

Respuesta :

Billymkhoi Billymkhoi

22-01-2016

At x=-3:

2x^2+ x
= 2(-3)^2+ (-3)
= 2*9 -3
= 18 -3
= 15

The value of 2x^2+ x is 15 if x=-3~

Answer Link

Otras preguntas

(FRENCH) Please fill in the blanks in the photo

Han rolls a standard number cube numbered one through six. It landed on an odd number 10 times. What is the probability that it lands on an odd number on the ne

What type of association does the graph show between x and y? (5 points) Linear positive association Nonlinear positive association Linear negative association

Dan uses his personal laptop for writing the script for an upcoming high-budget, highly anticipated movie. To keep the script private, he decided not to connect

If f(x) = 7 4x and g (x) = startfraction 1 over 2 x endfraction, what is the value of (startfraction f over g endfraction) (5)? eleven-halves startfraction 27 o

Grayson is organizing textbooks on his bookshelf. He has an English textbook, a biology textbook, and a physics textbook. How many different ways can he line th

Find the formula for terminal velocity and define each of the variables in the equation.

what is 98 x 47 / 32 x 54?

Writing linear functions Use the graph or table to write a linear function that relates y to x

The longer side of a rectangle has a length of 10. the rectangle is rotated around line k at this side. rectangle abcd has a perimeter of 32 units and will be r