Vẽ tia Ax, chọn B∈Ax với AB=8cm, và C sao cho AC=4cm. a) C có nằm giữa A và B không? Tại sao?
b) So sánh CA và CB.
c) C có phải là trung điểm của AB không? Tại sao?
Find the area of the triangle with vertices (4,4), (4,0), and (0,0) by counting whole and half squares. 8 sq. units. Which quadrant is the point (−3,2) in? Second.
Calculate the average rates of change for COVID-19 infections in Minnesota over these intervals using ΔxΔy: 1. 0 to 8 days: (calculate) 2. 8 to 16 days: 0.59 thousand/day 3. 0 to 16 days: 0.46 thousand/day
Given the function f with points (12,0), (6,−6), (0,−3), (−21,−6), (−18,0), (−6,6), (−9,9), (−3,0), (18,6), find: (e) Where is f(x)=0? (f) Where is f(x)>0? (g) What is the domain of f?
Given points on the function f: (8,0), (4,−6), (0,−3), (−14,−6), (−2,0), (−4,6), (−12,0), answer: (d) Is f(−14) positive or negative? (e) Where is f(x)=0? (Separate answers with commas.)
Find the y-intercept(s) of the points (8,0), (4,−6), (0,−3), (−14,−6), (−2,0), (−4,6), (−6,9), (−12,0). How many times does y=1 and x=5 intersect the graph?
Determine the ratios from the points (2,3), (4,6), (6,9), (8,12). For every \_\_\_ cup(s) of water, \_\_\_ cup(s) of flour. When 8 cups of water, \_\_\_ cups of flour needed.
What does the point (3,7.5) mean in the graph showing twine usage for bundles of wood?
(A) 7.5 feet for 7.5 bundles.
(B) 7.5 feet for 3 bundles.
(C) 3 feet for 7.5 bundles.
(D) 3 feet for 3 bundles.
Find the intercepts, domain, range, and intervals of increase/decrease for the function f with points (-3,3), (-2,0), (0,1), (2,0), (3,3). Is it even, odd, or neither?