## Labels

### Algebra 1 PARCC Reviewer 8 (A-REI.4b-2)

Sub-claim: A
The students solve problems involving the Major Content with connections to the Standards for Mathematical Practice
Type of items: Type 1
Color Code: Peach
Evidence Statement Key: A-REI.4b-2
Calculator: X
Y = Yes; Assessed on Calculator Section
X = Calculator is Specific to Item
N = No; Assessed on Non-Calculator Sections
Z = Calculator Neutral (Could be Calculator or Non-Calculator Sections)
Point: 1 each (1:26)
Evidence Statement Text:
Solve quadratic equations in one variable. b) Recognize when the quadratic formula gives complex solutions.
Clarifications, limits, emphases, and other information intended to ensure appropriate variety in tasks:
i) Writing solutions in the form a ± bi is not assessed here. (Assessed under N-CN.7.)
Sample Questions (taken from PARCC’s Practice Tests and Released Items):
• Practice Test, Unit 3, Item 3
• Paper Test, Unit 2, Item 28
• 2016 #11

1. Paper Test, Unit 2, Item 28
In the equations listed, a, b, c, and d are real numbers. Which of the equations could have solutions that are non-real? Select all that apply.
a. ax2 = b
b. ax2 + bx = 0
c. ax2 + bx + c = 0
d. (ax + b)(cx + d) = 0
e. a(bx + c)2 = d

2. 2016 #11
Which equations have no real solutions?