isobellemoxon
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

in what ways is Australia like the united states?​
?????pleeeeeassssseee I need to pass this
Can someone help me here pretty pls
Name of the force exerted by a fluid on objects immersed in it
The perimeter of a rectangle is 30 inches. If the length of the rectangle is 10 inches, which equation could be used to find the width, x? A. 10(x + 2) = 30
Determine the mechanical energy of this object a 1 kg ball sits on a 10 m Highcliff
sandy is upgrading her internet service fast charges $60 for installation and $50.45 per month quick internet has free installation but charges $57.95 per month
Look at the chart above. In which Eastern European country would you expect to find the highest standard of living? A. the Czech Republic B. Moldova C. Norway D
Find the slope of each line Y= 9/5x+5 And Find the slope of y=5
Evaluate the function rule for the given value f(x)=15x for x=3