Precalculus Skill Builders Vol 1 Solutions
Precalculus Skill Builders Vol 1 Solutions
Precalculus Skill Builders Vol 1 Solutions
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Use Fraction Busters to solve for x.<br />
7.<br />
1<br />
x + 3<br />
x 2 = 4 [ x = 1, ! 4 3 x<br />
] 8.<br />
3 ! x+1<br />
5 = 2x + 1 5 [ ! 14 3 ]<br />
x<br />
9.<br />
3 + 1 2 = x+2<br />
6 ! 2 3 [ x = !5 ] 10. 2<br />
3x + x+2 = 5x + 1 5 3 [ 1± 2881<br />
x = ]<br />
144<br />
Simplify the following expressions.<br />
11. 1 + 1<br />
1+ 1<br />
1+1<br />
[ 5 3 ] 12.<br />
1! 1 y<br />
1<br />
y<br />
[ y!1<br />
y<br />
]<br />
13.<br />
1 ! 2 x<br />
1 ! 3 x<br />
[ x ! 2<br />
x! 3 ]<br />
14.<br />
1<br />
a + 2 b<br />
2<br />
a + 1 b<br />
[ 2a+ b<br />
2b+ a ]<br />
15.<br />
x!1<br />
x+1 ! x+1<br />
x!1<br />
x!1<br />
x+1 + x+1<br />
x!1<br />
[ !2x<br />
1+ x 2 ] 16.<br />
a+b<br />
2a 2<br />
a!b<br />
4a<br />
[<br />
2(a+ b)<br />
] a(a! b)<br />
Pre-Calculus with Trigonometry