91Ó°ÊÓ

Classify each of the following statements as either true or false. Sometimes we can solve a problem without solving an equation or an inequality.

In each of Exercises, two words appear. Choose the correct word to complete the statement. In the quadratic formula, the expression\(b^{2}-4 a c\) called the_____( discriminant/standard form)

Classify each of the following statements as either true or false. The function given by \(g(x)=-x^{2}+3 x+1\) has a minimum value.

Classify each of the following statements as either true or false. The solution of \((x-1)(x-6)>0\) is \(\\{x | x<1 \text { or } x>6\\}\).

In each of Exercises, two words appear. Choose the correct word to complete the statement. When \(b^{2}-4 a c\) is 0, there is/are_____ (One/Two) solution \((\mathrm{s})\)

Classify each of the following statements as either true or false. When we are fitting a quadratic function to a set of data, the function must go through all the points on the scatterplot.

Classify each of the following statements as either true or false. To fit a quadratic function to data, we must be given three ordered pairs.

Solve each formula for the indicated letter. Assume that all variables represent positive numbers. \(A=4 \pi r^{2},\) for \(r\) (Surface area of a sphere)

Choose from the following list the word or phrase that best completes each statement. If \(x^{2}=7,\) we know that \(x=\sqrt{7}\) or \(x=-\sqrt{7}\) because of the principle of___.

In each of Exercises, two words appear. Choose the correct word to complete the statement. When \(b^{2}-4 a c\) is a perfect square, the solutions are ___________(Rational / Irrational) numbers.