exam
Maths Puzzle
Numerical Ability
A Star emits radiation at 424nm; it would normally emit radiation at 430nm. What is its radial velocity and direction.
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exam Other Question
Translate each verbal expression into an algebraic expression a. Five subtracted from a number. b. The ratio of a number and six
Match the graph with one of the equations.
Crosses at (0,2) & (2,0)
A) y = -x - 2
B) y = x - 2
C) y = -x + 2
D) y = x + 2