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    How do I “write down the least value of x^2+8x+2”? I have already completed the square
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    When you complete the square you get (x+4)^2-14 now you have to make this expression as small as possible so this Weill be when (x+4)^2 is 0. Can you see what the min value will be now?
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    (Original post by B_9710)
    When you complete the square you get (x+4)^2-14 now you have to make this expression as small as possible so this Weill be when (x+4)^2 is 0. Can you see what the min value will be now?
    -4
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    (Original post by B_9710)
    When you complete the square you get (x+4)^2-14 now you have to make this expression as small as possible so this Weill be when (x+4)^2 is 0. Can you see what the min value will be now?
    Wait -4 fits that but the answer is -14
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    (Original post by Reece.W.J)
    Wait -4 fits that but the answer is -14
    The minimum value is achieved when x=-4 but we're finding the minimum value of the expression (x+4)^2-16 , which is what when x=-4?
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    (Original post by B_9710)
    The minimum value is achieved when x=-4 but we're finding the minimum value of the expression (x+4)^2-16 , which is what when x=-4?
    -16 but I thought -14 because Name:  930C2B27-D8D9-451E-BEB1-34D87288D7B9.jpg.jpeg
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Size:  18.2 KB
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    (Original post by Reece.W.J)
    -16 but I thought -14 because Name:  930C2B27-D8D9-451E-BEB1-34D87288D7B9.jpg.jpeg
Views: 12
Size:  18.2 KB
    No it's -14 you're right I just wrote it down wrong.
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    (Original post by B_9710)
    No it's -14 you're right I just wrote it down wrong.
    Ok ty. I’ve also done this one Name:  2B32B56B-376A-4812-ACF6-4DEA08FD81BE.jpg.jpeg
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Size:  14.8 KB how do I find the maximum value for this one? Name:  F1767D9D-F663-4152-94E8-DAB8F6EC5939.jpg.jpeg
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