Math 1

Question 1

What is the tangent formula?

Answer 1

Tan(°) = opposite / adjacent

Question 2

What is the discriminant formula?

Answer 2

Discriminate = b² - 4ac

Question 3

What does the discriminant indicate if it is greater than 0?

Answer 3

If the discriminant is greater than 0, there are 2 real roots.

Question 4

What does the discriminant indicate if it is equal to 0?

Answer 4

If the discriminant is equal to 0, there is 1 real repeated root.

Question 5

What does the discriminant indicate if it is less than 0?

Answer 5

If the discriminant is less than 0, there are no roots.

Question 6

What is the equation of a hyperbola?

Answer 6

(x-h)²/a² - (y-k)²/b² = 1

Question 7

What is the cosine rule?

Answer 7

a² = b² + c² - 2ab x cos A

Question 8

What is the formula for the area of a triangle?

Answer 8

Area = 1/2 x b x h x sin

Question 9

What is the vertex formula of a parabola?

Answer 9

Vertex = x = -b / 2a

Question 10

What is the vertical shift in parabolas?

Answer 10

Vertical shift: y = x² + k

Question 11

What is the horizontal shift in parabolas?

Answer 11

Horizontal shift: y = (x-h)²

Question 12

What is the standard form of a vertical parabola?

Answer 12

Vertical parabola: y = ax²

Question 13

What is the reflection of a parabola?

Answer 13

Reflection: y = -x²

Question 14

What is the lower bound for outliers?

Answer 14

Lower bound = Q1 - 1.5 x IQR

Question 15

What is the upper bound for outliers?

Answer 15

Upper bound = Q3 + 1.5 x IQR