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- 1. Multiple ChoiceConsider the equation y = x2 + 3x – 4. Determine whether the function has a maximum or minimum value. State the maximum or minimum value. What are the domain and range of the function?min (0,0)
D: All Reals
R: All Realsmax.; (–1.5, –6.25)
D: {x | x ≤ –1.5}
R: {y | y ≥ –6.25}max.; (0, 0)
D: {all real numbers}
R: {y | y ≤ 0}min.; (–1.5, –6.25)
D: {all real numbers}
R: {y | y ≥ –6.25} - 2. Multiple ChoiceWhat is the equation of the axis of symmetry of the graph of y = x2 + 6x – 7?x=6x=-3x=3x=-6
- 3. Multiple ChoiceFind the coordinates of the vertex of the graph of y = -x2 + 4 .(2,0)(0,4)(-2,0)(2,4)
- 4. Multiple Choice
What are the roots of the quadratic equation whose related function is graphed at the right?-1, 3-3, 1-1, 11, 3 - 5. Multiple ChoiceOne root of the quadratic equation whose related function is graphed lies between which two consecutive integers?1 and 20 and -12 and 30 and 1
- 6. Multiple ChoiceWhich equation corresponds to the graph shown?y = x2 + 1y = x2 - 1y = -x2 + 1y = (x - 1)2
- 7. Multiple ChoiceDescribe how the graph of the function
g(x) = –3x2 – 2
is related to the graph of the function
f(x) = –3x.reflected over the x-axis and down 2 unitsdown 2 unitsreflected over the x-axis and up 2 unitsup 2 units - 8. Multiple ChoiceFind the value of c that makes
x2 – 5x + c
a perfect square trinomial-12.25-6.256.2510 - 9. Multiple ChoiceWhich value of c makes
y2 + 8y + c
a perfect square trinomial416648 - 10. Multiple ChoiceWhich equation is equivalent to
x2 + 2x – 3 = 0(x+1)2=2(x-1)2=4(x-1)2=2(x+1)2=4 - 11. Multiple ChoiceSolve the equation
2x2 + 3x – 5 = 0
using the Quadratic Formula2.5 , 1-5 , 1-1 , 2.5-1 , 5 - 12. Multiple ChoiceDetermine the number of real solutions of n2 – 5n – 6 = 0. Hint: use the discriminant.1 real solution2 real solutions3 real solutionsno real solutions
- 13. Multiple ChoiceIf b2 – 4ac = 0, determine the number of real solutions of the equation
ax2 + bx + c = 0onetwothreenone - Answer choicesTagsAnswer choicesTags