Hybrid Midterm Exam (24-25)

Front

Simplify √-1

Back

i

Tags

CCSS.HSN.CN.A.1

Front

Write the inequality in interval notation: x ≥ -4 and x < -1

Back

[-4, -1)

Front

Solve the quadratic equation by completing the square: x² - 6x + 2 = 0

Back

x = 3 ± √7

Tags

CCSS.HSA-REI.B.4B

Front

What is the simplified form of (11 - 7i) - (-3 + 12i)

Back

14 - 19i

Tags

CCSS.HSN.CN.A.2

Front

Calculate 3i(4 - i)

Back

3 + 12i

Tags

CCSS.HSN.CN.A.2

Front

Define a complex number.

Back

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit.

Tags

CCSS.HSN.CN.A.1

Front

What is the imaginary unit i?

Back

The imaginary unit i is defined as √-1.

Tags

CCSS.HSN.CN.A.1

Front

Explain the process of completing the square.

Back

Completing the square involves rewriting a quadratic equation in the form (x - p)² = q to find its roots.

Tags

CCSS.HSA-REI.B.4B

Front

What does interval notation represent?

Back

Interval notation is a way of writing subsets of the real number line using intervals.

Tags

CCSS.6.EE.B.8

Front

What is the difference between open and closed intervals?

Back

Open intervals do not include their endpoints, while closed intervals do.

Tags

CCSS.HSA.CED.A.3