Alg2A Weekly Review #1

What is the conjugate of 2 + √3

• 2 + √3

• 2 - √3

• -2 + √3

• -2 - √3

Tags

CCSS.HSN.CN.A.3

What is the conjugate of -2-√5 ?

• -2-√5

• -2+√5

• 2+√5

• √5

Tags

CCSS.HSN.CN.A.3

What is the conjugate of  4-3i?

• A.  1/(4-3i)
• B. 1/(4+3i)
• C.  -4 + 3i
• D.  4 + 3i

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA.APR.B.3

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

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Complete the Square
x² + 10x + ____

• x² + 10x - 100
• x² + 10x + 100
• x² + 10x - 25
• x² + 10x + 25

Tags

CCSS.HSA-REI.B.4B

Solve the following equation using the quadratic formula:
2x² - 5x - 7 = 0

• {-7/2, 1}
• {7/2, -1}
• {-7/2, -1}
• {3, -1}

Tags

CCSS.HSA-REI.B.4B