Algebra HW

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Please show all work for full credit and box final solutions. Leave all answers in exact form do not round unless specified.

Math 025 - Tasy Name: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lab VIII – Radicals Please show all work for full credit and box final solutions. Leave all answers in exact form – do not round unless specified. You may need either a 2 + b 2 = c 2 or d = ( x 2 − x1 ) + ( y2 − y1 ) . 2 2 1. (2 pts each) Simplify each expression. Assume all variables are nonnegative. (a) (c) 6⋅ 5 (b) 3x ⋅ 27x 8xy 3 (d) 32x 4 y 7 2xy (e) 3 45 − 2 20 (f) 3 32 + 18 + 2 75 Math 025 - Tasy 2. (2 pts) When designing computers, engineers must take into account that electricity travels at about 3 ×1010 cm/sec. Suppose two electronic components are located at 10cm,60cm and 25cm,50cm on ( ) an integrated circuit of a computer. Exactly how far apart are these components? 3. (3 pts each) Solve the following equations – check for extraneous solutions. (a) − x + 7 −1 = −7 (b) x +6 = x ( )

School: UCLA

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Anonymous
Thanks, good work

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