Maths Basics

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Questions and Answers

What is the value of x in the equation 2x + 5 = 11?

  • 5
  • 3 (correct)
  • 2
  • 4

What is the result of multiplying $2^3$ by $2^2$?

  • $2^7$
  • $2^6$
  • $2^4$
  • $2^5$ (correct)

What is the slope of the line that passes through the points (2,3) and (4,5)?

  • 2
  • 1/2
  • 1 (correct)
  • 3/2

What is the value of y in the equation y - 2 = 7?

<p>8 (A)</p> Signup and view all the answers

What is the result of dividing $10^2$ by $10^3$?

<p>$10^{-1}$ (C)</p> Signup and view all the answers

What is the value of x in the equation x - 3 = 7?

<p>4 (C)</p> Signup and view all the answers

What is the result of raising 2 to the power of 5?

<p>32 (B)</p> Signup and view all the answers

What is the result of subtracting 5 from 11?

<p>6 (D)</p> Signup and view all the answers

What is the result of dividing 12 by 3?

<p>3 (B)</p> Signup and view all the answers

What is the result of adding 2 and 8?

<p>12 (B)</p> Signup and view all the answers

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Study Notes

Equations and Operations

  • To solve for x in 2x + 5 = 11, subtract 5 from both sides and then divide by 2, giving x = 3.
  • Multiplying $2^3$ by $2^2$ results in $2^5$, or 32.
  • The slope of a line passing through points (2,3) and (4,5) can be found using the formula (y2 - y1) / (x2 - x1), giving a slope of 2/2, or 1.
  • Solving for y in y - 2 = 7 involves adding 2 to both sides, giving y = 9.
  • Dividing $10^2$ by $10^3$ is equivalent to dividing 100 by 1000, giving 0.1.
  • Solving for x in x - 3 = 7 involves adding 3 to both sides, giving x = 10.
  • Raising 2 to the power of 5 results in $2^5$, or 32.
  • Subtracting 5 from 11 results in 6.
  • Dividing 12 by 3 results in 4.
  • Adding 2 and 8 results in 10.

Equations and Operations

  • To solve for x in 2x + 5 = 11, subtract 5 from both sides and then divide by 2, giving x = 3.
  • Multiplying $2^3$ by $2^2$ results in $2^5$, or 32.
  • The slope of a line passing through points (2,3) and (4,5) can be found using the formula (y2 - y1) / (x2 - x1), giving a slope of 2/2, or 1.
  • Solving for y in y - 2 = 7 involves adding 2 to both sides, giving y = 9.
  • Dividing $10^2$ by $10^3$ is equivalent to dividing 100 by 1000, giving 0.1.
  • Solving for x in x - 3 = 7 involves adding 3 to both sides, giving x = 10.
  • Raising 2 to the power of 5 results in $2^5$, or 32.
  • Subtracting 5 from 11 results in 6.
  • Dividing 12 by 3 results in 4.
  • Adding 2 and 8 results in 10.

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