G11-Quadratic

What is the standard form of a quadratic equation?

• ax+b=0

• ax^2+bx+c=0

• ax^3+bx^2+cx+d=0

• ax+by+c=0

How many real solutions does a quadratic equation have if its discriminant is greater than zero?

• 0

• 1

• 2

• Infinitely many

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How many real solutions does a quadratic equation have if its discriminant is equal to zero?

• 0

• 1

• 2

• Infinitely many

Which part of the quadratic formula is known as the discriminant?

• -b

• 2a

• b^2 - 4ac

• -b ± sqrt(...)

How many real solutions does the quadratic equation x^2 + 14x + 49 = 0 have?

• 0

• 1

• 2

• 3