hw9 - Homework Assignment 9: 9.6-9.8 1. Eliminate the...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Homework Assignment 9: 9.6-9.8 1. Eliminate the parameter and find a corresponding rectangular equation: x = 3t 2 and y = 2t + 1 a) 2x 2 + 3y 2 – 1 = 0 b) 2x – 3y +3 = 0 c) 3y 2 – 4x + 1 = 0 d) 3y 2 – 4x – 6y + 3 = 0 e) none of these 2. Eliminate the parameter and find a corresponding rectangular equation: x = 2cos θ and y =cos 2 θ a) x + y = cos θ (2 + cos θ ) b) x – 2y = 0 c) y = (1 – x/2) 2 d) x 2 = 4y e) none of these 3. Find the arc length: x = t 2 , y = 2t 2 + 1, 1<t<3 a) 5 16 b) 40 c) 24 d) 5 8 e) none of these 4. Eliminate the parameter and find a corresponding rectangular equation for x = 2 cos θ and y = cos 2 θ a) x + y = cos θ (2 + cos θ ) b) x – 2y = 0 c) y = (1 – x/2) 2 d) x 2 = 4y e) none of these 5. Find the arc length: x= t 2 , y = 2t 2 – 1, 1 < t < 4 a) 30 5 b) 75 c) 15 5 d) 5 5 e) none of these 6. Find dy dx if x = t 2 and y = 1 t - a) 1 4 1 t t - b) 1 2 1 t - c) 1 t t - d) 2t 7. Find the equation of the tangent line for the curve x = 2t, y = t
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/07/2012 for the course MATH 11278 taught by Professor Jeffmorgan during the Summer '10 term at University of Houston.

Page1 / 3

hw9 - Homework Assignment 9: 9.6-9.8 1. Eliminate the...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online