Algebra: Substitution Practice 2
Follow the three key steps diligently, and you’ll be able to solve substitution questions with full accuracy. Ready to put your skills to the test? Try these 5 practice questions to see how well you’ve master the method.
Related Lessons:
Practice 2 - Question 1
Given that \(a=2\), \(b=-3\) and \(c=-1\), evaluate \(\frac{a}{b}+\frac{c}{a}+\frac{b}{c}\).
Practice 2 - Question 2
Given that \(h=\frac{3u^2}{8g}\), calculate the value of g when \(u=32\) and \(h=7.9\).
Practice 2 - Question 3
Given that \(p=2\), \(q=-3\) and \(r=-1\), evaluate \(\frac{r}{p+q}\).
Practice 2 - Question 4
Given that \(x=4\), \(y=-4\) and \(z=2\), taking the positive square root, find the value of \(\frac{\sqrt x-y^2}{z}\).
Practice 2 - Question 5
Given that \(x=-1.5\) and \(y=3.5\), find the value of \(\left(x-y\right)\).