Math 1060: Final Exam First Name:______________________________ Last Name:______________ Linear Algebra (3 2N(1 1.) Give the vector written as a row I\Q _4) 3 (3-s, (a) z(-3,1Z) 2.) Find the product ( )( ) -Ii -io -Z. Conics and other solutions of equations in two variables 3.) Give the equation for a line of slope that passes through the origin. 4.) Give the equation for a line of slope that passes through the point (2, 3). 3 5.) Give the equation of the unit circle. 6.) Give the equation of the circle of radius 3 centered at the origin. ) 2.4 7.) Give the equation of the circle of radius 3 centered at the point (—2, 3). )2 —5 -3) 1 8.) Give the equation of the ellipse obtained by starting with the unit circle, and then scaling the x-axis by 4, and the y-axis by 2. 9.) Give the equation of the ellipse from #8, shifted right by 1 and up by 5. x- z L () S -.3 10.) Draw the set of solutions of the equation y = . 2 x 11.) Draw the set of solutions of the equation x = . 2 y 12.) Draw the set of solutions of the equation xy 13.) Draw the set of solutions of the equation y 2 2 14.) Draw the set of solutions of the equation x 15.) R/ 4 = = — — •.. 1. = 1. = 1. (4o) is the rotation of the plane by angle If H C R 2 is the set of solutions of xy = . 1, then draw R(H). jx from #13. What’s the equation 16.) Let P the set of solutions of y = 2 for P shifted right by 1 and down by 3? (x-,jZ -.3 Si ************************************************ Trigonometry 17.) What is the distance between the points (3, 5) and (—1, 8)? \qL 2. 1 5 18.) Find the length of the unlabeled side of the triangle below. C = 6 %NNcN -40 19.) Find sin(O), cos(6), and tan(9) for the angle 0 given below. (3 points.) IL (Th 5 ,, 20.) What’s the Pythagorean Identity? f+ (r0) For #21-29, graph cos(x), sin(x), tan(x), sec(x), csc(x), cot(x), arccos(x), arcsin(x), and arctan(x). 30.) What’s arccos ()? 31.) What’s arcin(1)? 32.) What’s arctan(—1)? Tt Match the functions with their graphs. 33.) 36.) 39.) 42.) A 34.) 37.) 40.) 43.) sin(x) sin(—x) cos(x) —sin(x)E ,- A. () J )& 35.) sin 38.) sin(x) 4 41.) 2sin(x) C 44.) sin(2x)I sin (x + sin(x) + 1 j sin (x sin(x) —1 D — 13) C) z 2 —2 F) -ITI -1 H.) G) z - L,/Is% -2 J) z E ir —I —z I.) z z -‘V Match the functions with their graphs. 45.) f(x) fx < 0 46.) if x > 0. = lcos(x) g(x) = cos(x) (sin(x) A B B.) A.) 7Y.N. Complex numbers 47.) Find (1 + i3) + (2 — i4). 48.) Find (2 + i3)(1 + i5). — 2. — L S 4 1 34 c -3+I3 q3 49.) What’s the norm of 5 + i3. 50.) Find 3(cos(—2) + isin(—2))4(cos(5) + isin(5)). i2. ( ‘ (3) + , (3)) if x < 0; if x > 0. ()) () on your answer 5L) (2 points) Draw the number z = 2( cos + i sin sheet. Draw an X on your answer sheet on the number 3(cos(lr)+isin(7r))z. 52.) Find . 4 (+) ( 1 3 z 53.) Find ( -ij ************************************************ Equations in one variable For each of the following equations, state how many solutions the equation can have at most. 54.) x —2x+1—O 2 55.) 10 \/x + e’ 56.) sin(x) = 57.) cos(x) = 58.) loge(x) = = Z —7 4 5 See the answer sheet for #59-64. N I’ / I’ / ‘I 4- / U, N >< / PC N — 4- N - -, N >( 951 / N - r CD cJD c-i CD z c-i - } P4 V - 6 - —I C) C C) UD C) 9)1 TTh.. — 4 4 L ,1 - CJD C) C * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * - F) .. ) —r -4- s % Th — E (a-, -4-- Jfl — I’ \1 9)1 x ‘I 4= r U c:5 F H CD cD 1) t c cD 1- o •1 c () cJ CD U- 51.) 3 (c t i’iv’ 52.) 56.) 53.) --L 54.) 2 57.) 58.) 55.) IVOf\L.. the solutions of the equations. If there is no solution, explain why there is no solution. For at least one of the remaining problems, the domain of the eqilation will play an important role in the solution. Each problem is worth two points. For the remaining questions, #59-64, give + LCD o -1- •1 x 11 - l1\ .1 + 0 — 0 — 2 ±1 r’.J ii 4 Nt Ii - 0 0 I x ‘I + U ti Lfl X Lfl x 00 >< II k 0 2 Q Th H I - + N 0 < I x 8 X •4— 3 (‘)