Solution to Quadratic Equations

What are the solutions to the system:
y = x² + 3x - 5
y = x + 3

• (-4, 2) and (-1, 5)

• (-4, -1) and (2, 5)

• (2, -1 and (-4, 5)

• (-4, 1) and (2, -1)

Tags

CCSS.HSA.REI.C.7

Determine the number of solutions to the given linear-quadratic system.

• 0 solutions

• 1 solution

• 2 solutions

• 3 solutions

Tags

CCSS.HSA.REI.C.7

What is the solution to the linear-quadratic system graphed in the picture.

• (0, 0)

• (3, 0)

• (2, -3)

• (-3, 2)

Tags

CCSS.HSA.REI.C.7

A system that contains one linear function and one quadratic function can have 0, 1, or 2 solutions.

• True

• False

• Cannot be determined

• Nobody cares

Tags

CCSS.HSA.REI.C.7

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6

• x=3 or x=2

• x=-3 or x= 2

• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

One solution of the quadratic equation
x²-7x+12=0 is

• x=3

• x=2

• x=-3

• x=-2

Tags

CCSS.HSA-REI.B.4B

In the quadratic formula, if b²-4ac>0, then the quadratic equation has

• two imaginary solutions

• two different real solutions

• two equal real solutions

• none of these

Tags

CCSS.HSA-REI.B.4B

In the quadratic formula, the expression
b²-4ac is called

• discrim

• determinant

• discriminant

• none of these

Tags

CCSS.HSA-REI.B.4B

The solution of the quadratic equation
4x²-5x-9=0 are

• x=-1 or x=9/4

• x=1 or x=9/4

• x=2 or x=3

• x=-2 or x=-3

Tags

CCSS.HSA-REI.B.4B

If 3+2i is a solution of a quadratic equation, then other solution of this quadratic equation is

• 2-3i

• 3+2i

• 1/3 -1/2i

• 3-2i