Mathematics A-Level
dashed and solid lines
What dashed and solid lines means in Mathematics A-Level, as defined for WJEC.
Definition of dashed and solid lines
Check what you remember
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Reference: WJEC
Dashed boundary lines indicate strict inequalities, whereas solid boundary curves indicate that points on the boundary are included.
Topics that use dashed and solid lines
- Algebra and Functions (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- algebraic division
- Asymptotes
- boundary curves
- Completing the square
- conjunction
- critical values
- curve sketching
- direct proportion
Using dashed and solid lines in the exam
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