Answer:
the rational numbers that doesn’t have a reciprocal are [math]0 [/math] (which can also be expressed as [math]\frac {0} {x}, x \neq 0 [/math] ), and any number of the form [math]\frac {x} {0} [/math].
Step-by-step explanation:
-4 1/2 or -4.5 or -9/2
n = 8
-7n² = -448
=> n² = -448 / -7
=> n² = 64
=> n =
=> n = 8
Hope it helps :)
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