Use "intersect" on a graphing calculator to solve the equation. Round to two decimal places, if necessary.10x + 10 = 6 - 10x
A. 0
B. -5
C. 5
D. -0.2
Answer: D
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Provide an appropriate response.Without actually solving each equation, determine which one of the following has 0 in its solution set. Explain your answer.-8a + 9a + 7 = 0n2 + 2n + 6 = 0s3 - 2s2 = -8s49a2 - 49 = 0
What will be an ideal response?
Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. In 5 seconds B. In 160 seconds C. In 2 seconds D. In 7 seconds
Solve the inequality.x2 - 3x - 28 ? 0
A. x ? -4 B. x ? 7 C. x ? -4 or x ? 7 D. -4 ? x ? 7
Answer the question.Find cos ? given that cos 2? = 
and 0 ? ? < 
.
A. 
B. 
C. 3
D. 