At whats points does the graph of (t^2)+8t+7 intersect the x axis
Explain to the students what a one to many functions is which in this case is a quadratic, giving them an understanding of why there are two solutions, aided with the image of the quadratic.
Followed by explaining how to solve the quadratic and obtaining the values of x. In this case showing the fastest method of factorising, however, also explained the quadratic formula for cases that they cannot be factorised
TD
Related Maths GCSE answers
All answers ▸Solve this equation: 5x-4=3x+7
Using the quadratic formula find the solutions for x^2+x-6
What is the probability that you pick a blue ball from a bag of 3 blue balls, 4 red balls and 2 black balls
write 2/(3+root(5)) in the form a + b*root(5), where a and b are rational numbers.