Mathematics
Grade10
Easy

Question

Find the x-intercept of the function p left parenthesis x right parenthesis equals root index 8 of x plus 3 end root.

  1. 0
  2. 3
  3. -3
  4. 1

Hint:

The x-intercept of a line is the distance of the x coordinate from the point where the line cuts the x-axis from the origin.

The correct answer is: -3


    To find the x-intercept, substitute in 0 for p(x) and solve for x.
    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row blank cell 0 equals cube root of x plus 3 end root end cell row blank cell 0 equals x plus 3 end cell row blank cell x equals negative 3 end cell end table

    For x-intercept, we put y=0

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