Math Problem Statement

Nếu hàm số y = ax^2 + bx + c có a < 0, b < 0 và c > 0 thì đồ thị của nó có dạng?

Solution

The problem states that the function is y=ax2+bx+cy = ax^2 + bx + c, where:

  • a<0a < 0 (the parabola opens downward),
  • b<0b < 0,
  • c>0c > 0.

Analysis:

  1. Effect of a<0a < 0:
    This means the parabola opens downward.

  2. **Effect

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Math Problem Analysis

Mathematical Concepts

Quadratic Functions
Parabolas
Inequalities

Formulas

y = ax^2 + bx + c

Theorems

Properties of Parabolas (direction determined by a)

Suitable Grade Level

Grades 10-11

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