Algebra Q

Calculate (multiply):
(1 − 2i)(6 + 5i)

• 16 − 7i

• -16 + 7i

• -16 − 7i

• 16 + 7i

Tags

CCSS.HSN.CN.A.2

Factor:
2x² + 11x + 14

• (x + 7)(2x + 2)

• (x + 2)(2x + 7)

• (x + 14)(2x + 1)

• (x + 1)(2x + 14)

Solve x² - 5x + 10 = 0

• (5 - i√15)/2  ,  (5 + i√15)/2

• (5 - √15)/2  ,  (5 + √15)/2

• (5 - i√65)/2  ,  (5 + i√65)/2

• (5 - √65)/2  ,  (5 + √65)/2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

i¹³

• -1

• 1

• i

• -i

Tags

CCSS.HSN.CN.A.2

​ ​ (a)   a number finds the product of that number and itself.

• Squaring

• Square Rooting

Tags

CCSS.8.EE.A.2

What is the value of y in the solution to this system of equations?

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Gerardo wrote an integer. The opposite of Gerardo's integer is -53. The two true statements are:

​ (a)   and ​ (b)  

• The integer is 53.

• The integer has an absolute value of 53.

• The integer has an absolute value of -53.

• The integer is -53.

Tags

6.2.B

Factor the trinomial to create an equivalent expression:

Mathematical Equivalence

ON

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

Tags

CCSS.8.EE.C.8B

A company sold a total of 150 adult and child tickets to a fundraiser. The company charged $10 for each adult ticket and $6 for each child ticket for $350.

Write an equation to represent the total amount of tickets.

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8C