TEST # 12 FRIDAY April 1, 2010
Extra Credit here
5 pts on test 12
1) Irrational Numbers
1) Irrational Numbers
2) Trignonmetric Ratios
3) Trig Ratio applications
3) Pythagorean Theorem
4) Applications of Pythagorean Theorem
5) Operations with Radicals
6) Angles of elevation and depression
Home Work: Handouts
1) Test review, all problems both sides shown(See Right)
Lesson Review:
http://www.regentsprep.org/Regents/math/ALGEBRA/AT2/Ltrig.htm
http://www.regentsprep.org/Regents/math/ALGEBRA/AT2/Ltrig.htm
Practice exercise:
http://www.regentsprep.org/Regents/math/ALGEBRA/AT2/MikePrac.htm
http://www.regentsprep.org/Regents/math/ALGEBRA/AT2/MikePrac2.htm
http://www.regentsprep.org/Regents/math/ALGEBRA/AT2/PracTrig.htm
1 comment:
This is Theresa Kong.
HW due 3/12/09 - TEST REVIEW SHEET
***Key: √ = radical
1) 2
2) 4
3) a. 11; b. -12
4) a. 5√6; b. 3√10; c. 15√6
9) a. 10; b. 9; c. -24√2
10) a. 5; b. 4/5; c. 10√2
11) a. 17√7; b. 8√5
12) a. 21√3; b. 7√2
13) √164 = 2√41
14) √63 = 3√7
15) √225 = 15
16) sin 40 = x/10
x = 6.428
17) tan 35 = x/8
0.7 = x/8
x = 5.6
18) cos x = 9/14
cos x = 0.6429
x = 50
19) cos x = 8/15
cos x = 0.53
x = 58
20) sin x = 10/16
sin x = 0.625
x = 39
21) √100 = 10
22) cos 44 = 2500/x
0.7193 = 2500/x
x = 2500/0.7193
x = 3475.6
23) I don't know.
24) 5x²+3x+9-(4x²+5x-8)
5x^2+3x+9-4x^2-5x+8
x^2-2x+17
25) (x-2)(x+10) = 0
{2, -10}
26) 3(x-2)/(x+2)(x-2)
3/x+2
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