11 Explain how to help learners develop algebraic

In interval notation the set {x∣−2≤x<5}∪{x∣−3

Learning theories, such as constructivism, informs teaching. This means that: A.These theories assist us in understanding how learners learn B.It helps learners to make sense of mathematical concepts C.It makes adaptations and modifications for particular learners D.It is a teaching strategy

Which of the following is the general term of the sequence 2;5;10;17;26;...2;5;10;17;26;...? A.2n2𝑛 B.n2−1𝑛2−1 C.n2+1𝑛2+1 D.2n2

What are the solutions to the quadratic equation x2+2x−48=0𝑥2+2𝑥−48=0? A.66 and −8−8 B.−6−6 and 88 C.−6−6 and −8−8 D.66 and 8

Which expression is not equivalent to −4x3+x2−6x+8−4𝑥3+𝑥2−6𝑥+8? A.−4x3+(x−2)(x−4)−4𝑥3+(𝑥−2)(𝑥−4) B.x(−4x2−x+6)+8𝑥(−4𝑥2−𝑥+6)+8 C.−4(x3−2)+x(x−6)−4(𝑥3−2)+𝑥(𝑥−6) D.x2(−4x+1)−2(3x−4)

The amount, A𝐴, in rands, remaining in a prepaid cell phone account is represented by the function A=50−0.29t𝐴=50−0.29𝑡, where t𝑡 is the time in minutes. In this function, what does 5050 represent? A.time remaining in the account B.starting amount in the account C.cost per minute D.the amount left in the account when all the time is used up