anonymous
  • anonymous
When a parabola opens upward, we call the y-value of the vertex the minimum value of the function. Why do you think we call it the minimum value? When a parabola opens downward, we call the y-value of the vertex the maximum value of the function. Why do you think we call it the maximum value? Pick out any quadratic equation from the lessons you’ve studied so far. Type the equation in your post and tell the vertex. Does the equation have a minimum or maximum value and what is it? im studying quadratics and radicals
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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Callisto
  • Callisto
When it opens upwards |dw:1332762324807:dw| The vertex is at the lowest point of the graph so it is the min. value, Can you work out the graph opening downwards? (just the reverse)
Callisto
  • Callisto
Pick out any quadratic equation from the lessons you’ve studied so far. Sorry, I don't know what quadratic equation you have learnt.. Can't help for this one
.Sam.
  • .Sam.
You can pick any quadratic equations, For parabola opens upward, Coefficient of x^2 must be positive When a parabola opens downward,Coefficient of x^2 must be Negative, Examples: ------------------------------------------------------------------- -3x^2+5x-6 parabola opens downward, Coefficient of x^2 is negative, To find vertex,complete the square \[-3 \left(x-\frac{5}{6}\right)^2-\frac{47}{12}\] Vertex at (5/6 , -47/12) -------------------------------------------------------------------- x^2-10x+7 parabola opens upward, Coefficient of x^2 is positive (x-5)^2-18 Vertex at (5,-18)

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anonymous
  • anonymous
hey, is the second eqauation have a minimum or maximum value and what is it:)?

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