isobellemoxon isobellemoxon

24-01-2018
Mathematics

contestada

The sketch shows the graphs of:
y=2x + 2
y=2x^2 + 3x - 4

Work out the x-coordinates of the points S and T

The sketch shows the graphs ofy2x 2y2x2 3x 4Work out the xcoordinates of the points S and T class=

Respuesta :

Аноним Аноним

24-01-2018

Since both expressions in x are equal to y we can write:-

2x + 2 = 2x^2 + 3x - 4

2x^2 + x - 6 = 0

2x^2 + 4x - 3x - 6 = 0

2x(x + 2) - 3(x + 2) = 0

(2x - 3)(x + 2) = 0

x = 1.5 , -2

x coordinate of S = -2 and x coordinate of T = 1.5.

Answer Link

Otras preguntas

Could you please help me out with a question

in poker, one is trying to find the best hand out of five cards from a standard deck (52 cards, sorted into thirteen ranks in four suits). (a) a hand is called

use the figure to the right to complete parts a and b

Solve the equation12.5 = 2.5x-10 = -8 + x-10 = -2.5x

Hello! im stuck on this math question, hope you can help!

what was a problem for the tobacco farmers?

If | A + B|2 = A2 + B2, then

3.(a) Draw the following five-carbon hydrocarbons:•Pentane•Pentene•Pentyne(e)Classify each molecule and explain the differences between them. (Classes of organ

2. One parking lot charges $5 to park and $2 per hour. Another lot charges $10 topark plus $1 per hour. Explain where you should park?

Evaluate the indicated function for f(x)=x^2-1 & g(x)=x-2 algebraically .