Common Alg. Equations (7)

Question 1

Quadratics…

Answer 1

ax^2 + bx + c = 0. Factor out

Question 2

Two perfect squares

Answer 2

(x + y)^2 ; (x - y)^2

Question 3

(x+y)^2

Answer 3

x^2 + 2xy + y^2

Question 4

(x-y)^2

Answer 4

x^2 - 2xy + y^2

Question 5

ALWAYS BE ON LOOKOUT FOR

Answer 5

Difference of squares (x^2 - y^2)

Question 6

Whenever you see squared variables…

Answer 6

Treat them as quadratics and set equal to zero, as there are often multiple solutions

Question 7

Turn consecutive integers x and y where x > y into a equation…

Answer 7

x - y = 1

Question 8

Two sides of triangle are radius…

Answer 8

Isoceles

Question 9

Exponents, remember to…

Answer 9

Factor as a solving option

Question 10

Factor 3^(x+2) - 3^x

Answer 10

3^x(3^2-1)

Question 11

If a number is a multiple of another in any way when divided…

Answer 11

That number has a R of 0

Question 12

Prime numbers must be…

Answer 12

Positive.