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B.E.S.T. Algebra 1 EOC quadratic functions and equations quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. What is the axis of symmetry of f(x)=x2−10x+7f(x) = x^{2} - 10x + 7?

  2. The parabola f(x)=−3x2+6x+1f(x) = -3x^{2} + 6x + 1 opens which way and has what extreme?

  3. Which form reveals the vertex of a parabola directly?

  4. What are the zeros of f(x)=(x+4)(x−6)f(x) = (x + 4)(x - 6)?

  5. Solve x2−3x−10=0x^{2} - 3x - 10 = 0 by factoring.

  6. What are the solutions to (x−2)2=25(x - 2)^{2} = 25?

  7. When completing the square for x2+12x=4x^{2} + 12x = 4, what do you add to both sides?

  8. Using the quadratic formula, solve x2+2x−4=0x^{2} + 2x - 4 = 0 in simplest radical form.

  9. How many real solutions does x2+3x+7=0x^{2} + 3x + 7 = 0 have?

  10. What is the discriminant of 2x2−4x+1=02x^{2} - 4x + 1 = 0, and how many real solutions?

  11. A ball's height is h(t)=−16t2+32t+4h(t) = -16t^{2} + 32t + 4. At what time is the maximum height reached?

  12. A rectangular plot is 3 feet longer than wide with area 28 square feet. What is the width?