Solve each equation, if possible. Write irrational numbers in simplest radical form. Describe the strategy you used to get your solution and tell why you chose that strategy. a. x² +4 =0
b. x²^2 -6x +1=0
2 answers:
For the answer to the question above, I'll provide my solutions below. x² + 4 = 0 <span> - 4 - 4 </span> x² = -4 x = +2i x² - 6x + 1 = 0 x = -(-6) +/- √((-6)² - 4(1)(1)) 2(1) x = 6 +/- √(36 - 4) 2 x = <span>6 +/- √(32) </span> 2 x = <span>6 +/- 2√(2) </span> 2 x = 3 + √(2) x = 3 + √(2) x = 3 - √(2) I hope this helps.
Hello there. <span> Solve each equation, if possible. Write irrational numbers in simplest radical form. Describe the strategy you used to get your solution and tell why you chose that strategy. </span>x = 3 + √(2) x = 3 - √(2)
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Answer:
Board 1 = 1.2m
Board 2 = 2.4m
Board 3 = 3.6m
Step-by-step explanation:
Board 1 = x
Board 2 = 2x
Board 3 = 3x x + 2x + 3x = 6x
7.2 /6 = 1.2
Board 1 = 1.2
Board 2 = 2 (1.2) = 2.4
Board 3 = 3 (1.2) = 3.6
Answer:
c. -2 + 34i
Step-by-step explanation:
(2 + 6i)(5 + 2i)
c. -2 + 34i
Answer: n=7
Step-by-step explanation:
n=number.
2n-5=9
2n=14
n=7
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