Find the vertex and y-intercept and graph the equation.y = x2 + 4x
A. vertex: (2, - 4); y-intercept: 0
B. vertex: (2, - 4); y-intercept: none
C. vertex: (- 2, - 4); y-intercept: none
D. vertex: (- 2, - 4); y-intercept: 0
Answer: D
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Find the indicated cross product.v = -5i + 3j - 4k, w = -2i + 4kFind w × v.
A. 12i + 28j + 15k B. -12i - 28j - 6k C. -6i + 12j - 12k D. 28i + 12j - 6k
Use sets to solve the problem.A local television station sent out questionnaires to determine if viewers would rather see a documentary, an interview show, or reruns of a game show. There were 650 responses with the following results:195 were interested in an interview show and a documentary, but not reruns.26 were interested in an interview show and reruns but not a documentary.91 were interested in reruns but not an interview show.156 were interested in an interview show but not a documentary.65 were interested in a documentary and reruns.39 were interested in an interview show and reruns.52 were interested in none of the three.How many are interested in exactly one kind of show?
A. 302 B. 292 C. 322 D. 312
Find the area of the triangle. Approximate values to the nearest tenth when appropriate.Hypotenuse 26 in. and leg 24 in.
A. 120 in.2 B. 624 in.2 C. 312 in.2 D. 240 in.2
Provide an appropriate response.A whole number is understood to have a decimal point at the:
A. end B. interval C. beginning D. left