What is the equation of the line that contains the point (–5, –1) and has a slope of 4? write in slope-intercept form.
a.
y = 4x – 19
b.
y = 4x + 19
c.
y = 4x – 1
d.
y = 4x + 1

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

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

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z