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B

Step-by-step explanation:

A square has 4 lines of symmetry.

An object and its image on a mirror is a line of symmetry.

The diagonal of a rectangle cuts the rectangle in two equal parts, but is not a line of symmetry.

Solving for the Zeros of Quadratic Functions

The function, f(x) = –2x2 + x + 5, is in standard form. The quadratic equation is 0 = –2x2 + x + 5, where a = –2, b = 1, and c = 5. The discriminate b2 – 4ac is 41. Now, complete step 5 to solve for the zeros of the quadratic function.

5. Solve using the quadratic formula.

x =  

What are the zeros of the function

f(x) = x + 5 – 2x2?

x =  

x =  

x =  

x =

Step-by-step explanation: