Chapter 3 Mid-Chapter Quiz

Which function is graphed?

• f(x) = x² - 2x - 3

• f(x) = x² + 2x - 3

• f(x) = x² + x - 3

• f(x) = (x - 3)²

Tags

CCSS.HSF-IF.C.7A

By the Zero Product Property, if (2x - 1)(x - 5) = 0, then .

• x = 1 or x = 5

• x = 1/2 or x = 5

• x = -1/2 or x = -5

• x = -1 or x = -5

Tags

CCSS.HSA-REI.B.4B

Write a quadratic equation with 7 and 2/5 as its roots. Write the equation in the form ax² + bx + c = 0, where a, b, and c are integers.

• 5x² - 37x + 14 = 0

• 5x² + 37x + 14 = 0

• 2x² + 9x - 35 = 0

• 2x² - 9x - 35 = 0

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The current in one part of a series circuit is 3 - 2j amps. The current in another part of the circuit is 2 + 4j amps. Find the total amps in the circuit.

• 5 + 2j

• 1 + 2j

• 6 - 8j

• 7j

Tags

CCSS.HSN.CN.A.2

Solve x² + 6x = -6. If exact roots cannot be found, state the consecutive integers between which the roots are located.

• -2, -3

• between -4 and -3; between -2 and -1

• 3

• between -5 and -4; between -2 and -1

Solve x² - 4x + 3 = 0 by graphing.

Determine whether f(x) = 1/2 x² - x - 9 has a maximum or a minimum value and find that value.

Solve each equation by factoring: x² - 7x = 18

Tags

CCSS.HSA-REI.B.4B

Solve each equation by factoring: 4x² = x

Tags

CCSS.HSA-REI.B.4B

Simplify 5i / (3 - 5i)

Tags

CCSS.HSN.CN.A.3