Quadratic Expressions in Standard Form

What are the coefficients?
-2y² + 5y - 9

• -2, 5, -9

• 2, 5, 9

• 2, -5, -9

• -2, -5, -9

Name this polynomial.
-2y² + 5y - 9

• Linear

• Quadratic

• Cubic

• Quartic

How many terms are there?
-2y² + 5y - 9

• 1

• 2

• 3

• 4

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

What is the standard form for a Quadratic?

• ax²+ bx = - c

• x = -b ± √(b²-4ac) / 2a

• ax² + bx + c

• y = mx + b

A ​ (a)   in one variable is an equation that can be written in the ​ (b)   ​ (c)   , where a, b, and c are ​ (d)   and ​ (e)   .

• quadratic equation

• standard form

• real numbers

Standard form of a quadratic equation

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

ax²+bx+c=0  is the standard form of a quadratic equation.

• True

• False

ax² + bx + c = 0 is the standard form of a quadratic equation.

• True

• False

Which option shows what quadratics in standard form look like?