<span>x^2-80=0
</span><span>x^2 = 80
x^2 = 16 (5)
x = 4</span>√5 and x = -4<span>√5</span>
Answer:
<u><em>x = ±1</em></u>
Step-by-step explanation:
x² + 0x -1 = 0
x²- 1 = 0
x² = 1
x = ±1
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check
1² + 0x - 1 = 0
1 - 1 = 0
Answer:
F
Step-by-step explanation:
decimals are percentages and then fraction can be reduced into percentages so I did the math on all of them and f is the highest score
X/3=60
then multiply each side by 3 and x will equal 180
Correct answer is the 4th choice 16!!!
Hope this helps!!!