English Language Arts
Grade 10
45 min
Correct errors with signs
Tutorial Preview
1
Find the error: 5 - (x + 3) = 5 - x + 3
2
Find the error: (x - 4)^2 = x^2 - 16
3
Find the error: (x - 3)(x + 5) = x^2 + 2x + 15
Sample Practice Questions
Easy
A student wrote 8 - (x + 2) = 8 - x + 2. What is the correct simplified expression?
0.10 - x
1.6 - x
2.8 - x + 2
3.x - 6
Easy
A student wrote (x - 2)^2 = x^2 - 4. What is the correct expansion?
0.x^2 + 4
1.x^2 - 4x - 4
2.x^2 - 4x + 4
3.x^2 + 4x + 4
Easy
A student wrote (x - 1)(x + 4) = x^2 + 3x + 4. What is the correct expansion?
0.x^2 - 3x - 4
1.x^2 + 5x - 4
2.x^2 + 3x - 4
3.x^2 - 5x - 4
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing Free