exam
Maths Puzzle
Numerical Ability
Solve by using the quadratic formula: 4x^2-6x=9. Express roots in EXACT radical form if necessary.
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exam Other Question
When substituting for a variable in a function graph, how do I select the correct substitution for the variable.
Example: f(x)=-7(x)
When making a graph, I am not sure how to get the input, and output.
Please help me solve.
sq rt (3x+6) -3=0