Solving multi-step problems using quadratic equations in one variable

What are the solutions? Check all that apply.

• 2

• no solution

• 3

• 4

• 4 and 2
• -4 and -2
• 4 and -2
• -4 and 2

What are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

How many solutions do quadratics have?

• 2

• At least 2

• infinite

• 1

Find the solutions

• x = -1 x = 3

• x = -2 x = 3

• x = -1 x = 4

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeroes

• maximums or minimums

• discriminants

The graph shows the equation of y = x² - 2x +3 what are the solutions of x² - 2x +3 = 0?

• x = -1, x = 3

• x = 2, x = 3

• x = 0, x = 3

• x = 0, x = 2

• has no real roots

Which appears to be the roots of the quadratic equation whose related function is graphed at the right?

• -1,3

• -1,1

• -3,1

• 1,3

TRUE or FALSE

A quadratic equation can have no solution, one solution or two solution.

• TRUE

• FALSE

Calculate the zero value to the right of the vertex.

y = - x² + 4x + 6

• (-1.16, 0)

• (1.16, 0)

• (5.1, 0)

• (-5.1, 0)