The range of the value of k for which the quadratic equation x* +2kx+ (k+6) =0 has real and distinct root is A. -23 C. -2sks3 D. ks2 or k23 If cose 3 and 0 is an acute angle, then the exact value of sin 20is 24 А. 25 16 В. 25 C. 25 12 D. 25

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A: Thanks for the question :)And your upvote will be really appreciable ;)

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.