Please can someone help me with these? I'll give brainliest

If an x intercept only touches the x axis it means it has a multiplicity of 2. if an intercept goes through the axis it has a multiplicity of 1 true false

Asequence of numbers begins with 12 and progresses geometrically. each number is the previous number divided by 2. which value can be used as the common ratio in an explicit formula that represents the sequence? 1/2 2 6 12

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5