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Grade 10 Math MCAS Functions quiz quiz

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

  1. If f(x)=4x−7f(x) = 4x - 7, what is f(3)f(3)?

  2. What is the slope of the line through (1,2)(1, 2) and (5,14)(5, 14)?

  3. What is the y-intercept of the line y=−2x+9y = -2x + 9?

  4. Which way does the parabola y=−3x2+5y = -3x^2 + 5 open, and what kind of vertex does it have?

  5. What is the axis of symmetry of y=x2−6x+1y = x^2 - 6x + 1?

  6. What is the vertex of y=(x−5)2+2y = (x - 5)^2 + 2?

  7. A population is modeled by P=800(1.05)tP = 800(1.05)^t. What is the annual growth rate?

  8. A car worth $18000 loses 15% of its value each year. Which function models its value?

  9. A table shows y=4,12,36,108y = 4, 12, 36, 108 for x=0,1,2,3x = 0, 1, 2, 3. The function is

  10. What is the average rate of change of f(x)=x2f(x) = x^2 from x=1x = 1 to x=4x = 4?

  11. The graph of g(x)=(x−3)2+1g(x) = (x - 3)^2 + 1 is the graph of f(x)=x2f(x) = x^2 shifted how?

  12. Which transformation describes h(x)=−f(x)h(x) = -f(x)?