SAT Subject Test Math Level 2 Practice Test: Quadratic Functions

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Question 7 questions

Time 8 minutes

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1. The coordinates of the vertex of the parabola whose equation is y = 2x2 + 4x - 5 are

A. (2, 11)
B. (-1, -7)
C. (1, 1)
D. (-2, -5)
E. (-4, 11)

2. The range of the function
f = {(x,y):y = 5 - 4x - x2} is

A. {y:y 0}
B. {y:y -9}
C. {y:y 9}
D. {y:y 0}
E. {y:y 1}

3. The equation of the axis of symmetry of the function y = 2x2 + 3x - 6 is

A.
B.
C.
D.
E.

4. Find the zeros of y = 2x2 + x - 6.

A. 3 and 2
B. -3 and 2
C. and
D. and 1
E. and -2

5. The sum of the zeros of y = 3x2 - 6x - 4 is

A. -2
B.
C.
D. 2
E. 6

6. x2 + 2x + 3 = 0 has

A. two real rational roots
B. two real irrational roots
C. two equal real roots
D. two equal rational roots
E. two complex conjugate roots

7. A parabola with a vertical axis has its vertex at the origin and passes through point (7,7). The parabola intersects line y = 6 at two points. The length of the segment joining these points is

A. 14
B. 13
C. 12
D. 8.6
E. 6.5