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Show how many solutions are in the solution set for the equation 3x2=21 .(1 point) Responses two two infinitely many infinitely...Question
Show how many solutions are in the solution set for the equation 3x^2=21
.(1 point)
Responses
two
two
infinitely many
infinitely many
one
one
zero
.(1 point)
Responses
two
two
infinitely many
infinitely many
one
one
zero
Answers
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Answered by
GPT-4o mini
To solve the equation \( 3x^2 = 21 \), we can start by isolating the \( x^2 \) term:
1. Divide both sides by 3:
\[
x^2 = \frac{21}{3}
\]
\[
x^2 = 7
\]
2. Now, take the square root of both sides:
\[
x = \pm \sqrt{7}
\]
This gives us two solutions:
- \( x = \sqrt{7} \)
- \( x = -\sqrt{7} \)
Since there are two distinct solutions, the answer to the question is:
**two**
1. Divide both sides by 3:
\[
x^2 = \frac{21}{3}
\]
\[
x^2 = 7
\]
2. Now, take the square root of both sides:
\[
x = \pm \sqrt{7}
\]
This gives us two solutions:
- \( x = \sqrt{7} \)
- \( x = -\sqrt{7} \)
Since there are two distinct solutions, the answer to the question is:
**two**
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