Solve the equation 2x^2+8x-1=o by completing the square. Give your answer to 2 decimal places

Step-by-step explanation:

Hello,

step 1 - we divide all terms by 2

step 2 - we complete the square

we can notice that

so

step 3 - we move the constant term to the right of the equation

step 4 - we take the square root on both sides of the equation

or

step 5 - we subtract 2 from both sides

or

so the solutions are 0.12 and -4.12

hope this helps

last option: rhombus or kite

step-by-step explanation:

a kite and rhombus have the same shape. as we don't have any specific formula for the calculation of area of kite. the diagonals are used to calculate the area of a kite or rhombus.

the formula for area of rhombus is given by:

here, d_1 is the first diagonal and d_2 is the second diagonal.

so,

last option is the correct answer ..

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