dreag3959 dreag3959

20-06-2017
Mathematics

contestada

What conic section does the equation y2 – x + 2y – 2 = 0 represent?

Respuesta :

ghanami ghanami

20-06-2017

hello :
y² – x + 2y – 2 = 0
(y²+2y +1)-1-x-2 =0
(y+1)² = x+3
let :
y+1 = Y
x+3 =X
Y² =X.... the conic is a parabola
the vertex is: (-3,-1) and axis symetry is the line : y= -1

Ver imagen ghanami

Answer Link

Otras preguntas

52 POINTS I need help! Question 1 The vertex form of the equation of a vertical parabola is given by , where (h, k) is the vertex of the parabola and the absolu

how do human activities such as shelter and food affect the environment

How many mL of a 10% magnesium sulfate solution will contain 14 grams of magnesium sulfate?

Tables should be used when (a) the reader need not refer to specific numerical values. (b) the reader need not make precise comparisons between different values

Test Subre Which of these graphs represents a function? 1 2 1 45-43-2-1, 1 2 3 4 5 5-4-3- -1: 1 2 3 4 2 3 4 .5 5 W. X. 2 -2-1, 1 2 3 4 5-4-3-2-N 1 2 3 4 5 -3 .

what caused Mr. Melbourne's life to take a turn for the worse?

Please help me pretty pleaseeee:(

Required information Skip to question [The following information applies to the questions displayed below.] Timberly Construction makes a lump-sum purchase of

URGENT!!! ABCD is parallelogram. If m

Identify the first 4 terms in the arithmetic sequence given by the explicit formula ƒ(n) = 8 + 3(n – 1). A) 8, 11, 14, 17 B) 3, 11, 19, 27 C) 8, 5, 2, –1 D) 3,