PA TULONG PO
GRADE 9
Tell whether each statement is TRUE OR FALSE
1. The y-intercept of y = x2 – 2x + 8 is (8,0).
2. The x-intercept of y = x2 -- 3 are (√3,0) and (-√13,0).
3. The graph of y = x2 - 8 opens upward.
4. The graph of y = 3 + x2 opens downward.
5. The parabola y = x2 + 2 has no x-intercept.
6. The vertex of y = x2 + 3x is (-1, -1).
7. The y-intercept of y = ax2 + bx + c is (0, c).
8. The vertex of a parabola is the highest or lowest point of the graph.
9. The graph of y = ax2 + bx + c has exactly one y-intercept, and its coordinates are (0,c).
10. A parabola may have two x-intercepts, one x-intercept, or no x-intercept.
GRADE 9
Tell whether each statement is TRUE OR FALSE
1. The y-intercept of y = x2 – 2x + 8 is (8,0).
2. The x-intercept of y = x2 -- 3 are (√3,0) and (-√13,0).
3. The graph of y = x2 - 8 opens upward.
4. The graph of y = 3 + x2 opens downward.
5. The parabola y = x2 + 2 has no x-intercept.
6. The vertex of y = x2 + 3x is (-1, -1).
7. The y-intercept of y = ax2 + bx + c is (0, c).
8. The vertex of a parabola is the highest or lowest point of the graph.
9. The graph of y = ax2 + bx + c has exactly one y-intercept, and its coordinates are (0,c).
10. A parabola may have two x-intercepts, one x-intercept, or no x-intercept.
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Answer:
1. True
2. True
3. True
4. False
5. True
6. False
7. False
8. True
9. True
10. True
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