Solving Linear Equations
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Questions and Answers

What is the value of x in the equation -8x + 10y = 24, when y = 3?

  • -2
  • 4
  • 2 (correct)
  • -4

What is the equation of the line that passes through the points (-4, 9) and (11, -4)?

  • y = -x - 1 (correct)
  • y = -x + 1
  • y = x + 3
  • y = x - 1

What is the value of the slope of the line y = 4x - 2?

  • -4
  • 4 (correct)
  • 1/4
  • -1/4

What is the quadratic equation that has roots x = 2 and x = -3?

<p>x^2 + x - 6 = 0 (B)</p> Signup and view all the answers

What is the x-intercept of the graph of the equation y = x^2 - 4x - 3?

<p>(1, 0) (A)</p> Signup and view all the answers

What is the solution to the system of equations y = -x - 1 and y = x + 1?

<p>(0, 0) (B)</p> Signup and view all the answers

What is the value of x in the equation x + 5 = 23?

<p>18 (C), 18 (D)</p> Signup and view all the answers

Solve the quadratic equation x^2 + 6x + 8 = 0 using the quadratic formula.

<p>(-b ± √(b^2 - 4ac)) / 2a (D)</p> Signup and view all the answers

What is the graph of the quadratic equation y = x^2 + 4x + 2?

<p>A parabola opening upwards with a minimum point at (-2, 0) (A)</p> Signup and view all the answers

What is the factored form of the quadratic expression x^2 + 7x + 10?

<p>(x + 5)(x + 2) (A)</p> Signup and view all the answers

What is the solution to the inequality 2x - 5 > 3?

<p>x &gt; 4 (A)</p> Signup and view all the answers

What is the value of x in the equation x^2 + 6x + 8 = 0?

<p>x = -2 or x = -4 (C)</p> Signup and view all the answers

What is the quadratic formula?

<p>x = (-b + sqrt(b^2 - 4ac)) / 2a (C)</p> Signup and view all the answers

What is the graph of the equation y = x^2 - 4x + 3?

<p>A parabola that opens upwards and has a vertex at (2, -1) (A)</p> Signup and view all the answers

What is the factored form of the equation x^2 + 5x + 6 = 0?

<p>(x + 2)(x + 3) = 0 (B)</p> Signup and view all the answers

What is the value of x in the equation x^2 - 4x - 3 = 0?

<p>x = 3 or x = -1 (C)</p> Signup and view all the answers

What is the vertex of the parabola y = x^2 + 2x + 1?

<p>(-1, 1) (D)</p> Signup and view all the answers

What is the equation of the axis of symmetry of the parabola y = x^2 - 6x + 8?

<p>x = 3 (C)</p> Signup and view all the answers

What is the value of x in the equation x^2 + 2x - 6 = 0?

<p>x = 2 or x = -3 (A)</p> Signup and view all the answers

What is the graph of the equation y = x^2 - 2x - 3?

<p>A parabola that opens upwards and has a vertex at (1, -4) (A)</p> Signup and view all the answers

What is the factored form of the equation x^2 - 3x - 2 = 0?

<p>(x - 2)(x + 1) = 0 (D)</p> Signup and view all the answers

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