x^2+13x+22=7 How do I solve this by completing the square?? x^2+13x+15=0 Recall (x+a)^2=x^2+2ax+a^2 Write x^2+2*(13/2)x+15, and compare the terms in x. a=13/2 x^2+13x+15=x^2+2(13/2)x+(13/2)^2-(13/2)^2
...on the image I have of your calculator but here goes. say for example, the geometric mean of 2 × 3 × 6 × 8 is the 4th root of 288, or approximately 4.12. enter nth root first, in this case 4 ...
how do i solve the equation x2-13x+36=0 Use the quadratic formula or completing the square. Completing the square: x^2 -13x=-36x^2-2*(13/2) +(13/2)^2=-36+(13/2)^2 The left side can be factored as ...
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give the polynomial function whose roots are -2 1 and 3 We can write this polynomial as: (x-(-2))*(x-1)*(x-3)= (x+2)(x-1)(x-3)= (x+2)[x*(x-3)-1*(x-3)]= (x+2)*(x^2-3x-x+3)= (x+2)(x^2-4x+3)= x*(x^2-4x+3
1/1*2+1/2*4+1/2*4*6 According to the operation priority rules 1/1*2=1*2=2 1/2*4=(1/2)*4=2 1/2*4*6=(1/2)*4*6=12 The result is 2+2+12=16 If you have a series with increasing denominators then you should
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What is the square root of 200? The exact square root is 14.1419 The 200= 100 * 2 50 * 2 * 2 25 * 2 * 2 * 2 5 * 5 * 2 * 2 * 2 5 * 2 suare root of 2 so the final answer is 10 Square root of 2
...Carlos age. sum of ages is 17: m+d+c=17 two years from now Marian will be twice as old as Diana: m+2=2*(d+2) so m+2=2d+4 so 2d=m-2 or d=(m-2)/2=m/2-1 Carlos will be half as old as Marian 4 years
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Square 1 has a side length of x, and square 2 has a side length of y. Square 2 is formed by joining the midpoints of the sides of square 1 in order. If x = 2, find the ratio of the perimeter of square
analytic geometry (-2,2) 2x-5y+4=0 equation of line perpendicular assuming the question is what is the circle equation? and if (-2,2) is the center of the circle the equation should look like this: (x
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write the slope intercept form of the equation of the line through the given point (-2, -3), slope=1/2 The "slope intercept form of the equation of a (the) line" is y=mx+b, where m is the slope of the
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