The polynomials with graphs that intersect the x-axis at the origin are:
A polynomial is an expression form of an algebraic term with one or more terms and their arithmetic operations.
To select the graph that intersects with the x-axis at the origin. The graph must satisfy the condition at origin (0,0)
NOTE: The first two terms in the question does not satisfy the condition to be a polynomial since y is not expressed in terms of x
y = x(+1) (-2)
y = -2x
y = -2 (0)
y = 0 (This shows that x intersect at origin)
y = (2x + 2) (x-7) (x + 1 )
y = (2(0) +2) (0 -7) (0 + 1)
y = (2) (-7) (1)
y = -14 (This shows that y does not interesect with x at the origin)
y = 3x(2 - x) (x + 6) (3 -2)
y = 3(0) (2 -0) (0 + 6) ( 3 - 2)
y = 0 × (2) × (6) × (1)
y = 0 (This shows that x intersect at origin)
Learn more about polynomials here:
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