# Quiz 4 - MTH 209 WEEK 4 QUIZ FLEX Answers only responses...

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Unformatted text preview: MTH 209 WEEK 4 QUIZ FLEX Answers only responses will not receive full credit. Please show your work. 1. Find solutions to the equation 5w 2 – 3 = 0 5 15 5 3 5 3 3 5 2 2 ± = ± = = = w get we ing rationaliz w w w 2. Find solutions to the equation q 2 + 6q – 7 = 0 7 , 1 ) 7 )( 1 ( ) 7 ( 1 ) 7 ( 7 7 2- = = +- = +- + =-- + q q q q q q q q q 3. Solve by the method of your choice 4 2 4 3 + =- y y y 7 1 , 7 1 2 7 2 2 2 28 2 2 32 4 2 8 , 2 , 1 8 2 8 6 4 ) 4 3 ( 2 ) 4 ( 2 2 i i y i y y y c b a y y y y y y y y get we g multiplyin cross- + = ± =- ± =- ± = =- = = = +-- = +- = + 4. The diagonal of a square is 3 m longer than a side. Find the length of a side. Let the side = x Diagonal = x + 3 Now diagonal = side 2 24 . 1 , 24 . 7 ) 2 1 ( 3 ), 2 1 ( 3 2 ) 2 1 ( 6 2 72 6 9 6 2 9 6 2 3 2 2 2- =- + = ± = ± = =-- = + + = + x x x x x x x x x get we sides both squaring x x Hence the side is 7.24m long 5. Graph y = (x + 3) 2 , showing vertex and intercepts....
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Quiz 4 - MTH 209 WEEK 4 QUIZ FLEX Answers only responses...

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