MAT - Paper 2011 - Q1C

2021-08-09
1 min read

Flashcards

What is $13^2$??

$$ 169 $$

What is $14^2$??

$$ 196 $$

What is $15^2$??

$$ 225 $$

What is $16^2$??

$$ 256 $$

What is $17^2$??

$$ 289 $$

What is $18^2$??

$$ 324 $$

What is $19^2$??

$$ 361 $$

What is $20^2$??

$$ 400 $$

How can you simplify $$\frac{-15 \pm \sqrt{321}}{-6}$$??

$$ \frac{15 \pm \sqrt{321}}{6} $$

If you’re trying to find integer solutions to $f(n) < 0$ where $f(n)$ is a quadratic, what do you know about the relationship between the roots $\alpha$ and $\beta$ and the possible solutions??

$$ \alpha < x < \beta $$

How can you tell if a quadratic is factorable frm the coefficients $ax^2 + bx + c$??

If the discriminant is a perfect square, then you can factorise it.


Metadata
date: 2021-08-09 15:13
summary: when is one term in a sequence bigger than the next term in the sequence??
tags:
- '@?notes'
- '@?mat'
- '@?public'
title: MAT - Paper 2011 - Q1C